diff --git a/.gitignore b/.gitignore
index e5eccb0..cd53d71 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,7 +1,6 @@
 build/*
 Temp/
-config.json
 Music
-*.info.json
+*.json
 yt-dlp
 ffmpeg
\ No newline at end of file
diff --git a/.idea/.gitignore b/.idea/.gitignore
new file mode 100644
index 0000000..7bc07ec
--- /dev/null
+++ b/.idea/.gitignore
@@ -0,0 +1,10 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Environment-dependent path to Maven home directory
+/mavenHomeManager.xml
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml
diff --git a/.idea/BumbleCee.iml b/.idea/BumbleCee.iml
new file mode 100644
index 0000000..d6ebd48
--- /dev/null
+++ b/.idea/BumbleCee.iml
@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="JAVA_MODULE" version="4">
+  <component name="NewModuleRootManager" inherit-compiler-output="true">
+    <exclude-output />
+    <content url="file://$MODULE_DIR$" />
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
new file mode 100644
index 0000000..31e1ebc
--- /dev/null
+++ b/.idea/misc.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK">
+    <output url="file://$PROJECT_DIR$/out" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..75bf592
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/BumbleCee.iml" filepath="$PROJECT_DIR$/.idea/BumbleCee.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.vscode/c_cpp_properties.json b/.vscode/c_cpp_properties.json
index 5963335..b4a26e9 100644
--- a/.vscode/c_cpp_properties.json
+++ b/.vscode/c_cpp_properties.json
@@ -3,7 +3,8 @@
         {
             "name": "Linux",
             "includePath": [
-                "${workspaceFolder}/**"
+                "${workspaceFolder}/**",
+                "${workspaceFolder}/include"
             ],
             "defines": [
                 "DDPP_CORO=on"
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 1558cba..4f1df64 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -97,6 +97,11 @@
         "__tuple": "cpp",
         "ios": "cpp",
         "locale": "cpp",
-        "queue": "cpp"
+        "queue": "cpp",
+        "hash_map": "cpp",
+        "hash_set": "cpp",
+        "regex": "cpp",
+        "stack": "cpp",
+        "__memory": "cpp"
     }
 }
\ No newline at end of file
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6fa2f31..26932af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,32 +5,21 @@ set(BOT_NAME "BumbleCee")
 
 project(${BOT_NAME})
 aux_source_directory("src" coresrc)
+aux_source_directory("src/Audio" commands)
 aux_source_directory("src/Commands" commands)
+aux_source_directory("src/Queue" settings)
 aux_source_directory("src/Settings" settings)
+aux_source_directory("src/Utils" settings)
 add_executable(${BOT_NAME} ${coresrc} ${commands} ${settings})
 
-string(ASCII 27 Esc)
-
 set(CMAKE_POSITION_INDEPENDENT_CODE ON)
-
-set_target_properties(${BOT_NAME} PROPERTIES
-    CXX_STANDARD 20
-    CXX_STANDARD_REQUIRED ON
-)
+set(CMAKE_BUILD_TYPE Debug)
+set(CMAKE_CXX_STANDARD 20)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
 set(THREADS_PREFER_PTHREAD_FLAG TRUE)
 find_package(Threads REQUIRED)
-find_package(DPP)
-if(APPLE)
-	if(CMAKE_APPLE_SILICON_PROCESSOR)
-		set(OPENSSL_ROOT_DIR "/opt/homebrew/opt/openssl")
-	else()
-		set(OPENSSL_ROOT_DIR "/usr/local/opt/openssl")
-	endif()
-	find_package(OpenSSL REQUIRED)
-else()
-	find_package(OpenSSL REQUIRED)
-endif()
+find_package(OpenSSL REQUIRED)
 
 target_include_directories(${BOT_NAME} PUBLIC
     ${CMAKE_CURRENT_SOURCE_DIR}/include
@@ -39,45 +28,13 @@ target_include_directories(${BOT_NAME} PUBLIC
 )
 
 target_link_libraries(${BOT_NAME}
-    dl
     dpp
     opus
-    opusfile
     ogg
     oggz
-    mariadbcpp
-    curl
     ${CMAKE_THREAD_LIBS_INIT}
     ${OPENSSL_CRYPTO_LIBRARY} 
     ${OPENSSL_SSL_LIBRARY}
 )
 
-if (DPP_FOUND)
-    target_link_libraries(${BOT_NAME} ${DPP_LIBRARIES})
-    target_include_directories(${BOT_NAME} PUBLIC ${DPP_INCLUDE_DIR})
-else()
-    message(WARNING "Could not find DPP install. Building from source instead.")
-    option(DPP_BUILD_TEST "" OFF)
-    include(FetchContent)
-
-    FetchContent_Declare(
-            libdpp
-            GIT_REPOSITORY https://github.com/brainboxdotcc/DPP.git
-            GIT_TAG master)
-
-    FetchContent_GetProperties(libdpp)
-    if(NOT libdpp_POPULATED)
-        FetchContent_Populate(libdpp)
-        target_include_directories(${BOT_NAME} PUBLIC
-            ${libdpp_SOURCE_DIR}/include
-        )
-        add_subdirectory(
-            ${libdpp_SOURCE_DIR}
-            ${libdpp_BINARY_DIR}
-            EXCLUDE_FROM_ALL)
-    endif()
-
-    target_link_libraries(${BOT_NAME} dpp)
-endif()
-
-set(CMAKE_CXX_FLAGS "-g")
\ No newline at end of file
+link_directories(/usr/lib)
\ No newline at end of file
diff --git a/include/Audio/MusicPlayManager.hpp b/include/Audio/MusicPlayManager.hpp
new file mode 100644
index 0000000..da8896d
--- /dev/null
+++ b/include/Audio/MusicPlayManager.hpp
@@ -0,0 +1,50 @@
+#pragma once
+#ifndef _MUSICPLAYMANAGER_HPP_
+#define _MUSICPLAYMANAGER_HPP_
+#include <dpp/dpp.h>
+#include <Queue/MusicQueue.hpp>
+#include <condition_variable>
+
+namespace bumbleBee {
+class MusicPlayManager {
+public:
+    MusicPlayManager(std::shared_ptr<dpp::cluster> cluster) {
+        this->cluster = cluster;
+        this->queue = std::make_unique<MusicQueue>();
+
+        cluster->on_voice_ready([this](const dpp::voice_ready_t &event){on_voice_ready(event);});
+        cluster->on_voice_track_marker([this](const dpp::voice_track_marker_t &event){on_voice_track_marker(event);});
+        cluster->on_voice_client_disconnect([this](const dpp::voice_client_disconnect_t& event){on_voice_client_disconnect(event);});
+    }
+
+    /**
+     * @brief voice_ready 이벤트 인지시 콜백되는 함수
+     * @param event const dpp::voice_ready_t&
+    **/
+    void on_voice_ready(const dpp::voice_ready_t& event);
+    /**
+     * @brief voice_track_marker 이벤트 인지시 콜백되는 함수
+     * @param event const dpp::voice_track_marker_t&
+    **/
+    void on_voice_track_marker(const dpp::voice_track_marker_t& event);
+    /**
+     * @brief voice_client_disconnect 이벤트 인지시 콜백되는 함수
+     * @param event const dpp::voice_client_disconnect_t&
+    **/
+    void on_voice_client_disconnect(const dpp::voice_client_disconnect_t& event);
+
+    void queue_music(const std::shared_ptr<MusicQueueElement> music);
+
+    std::condition_variable queuedCondition;
+private:
+    std::shared_ptr<dpp::cluster> cluster;
+    /// @brief 음악 큐
+    std::unique_ptr<MusicQueue> queue;
+
+    std::mutex queueEmptyMutex;
+
+    void send_audio_to_voice(const MusicQueueElement& music, const dpp::voice_ready_t &event);
+    void send_audio_to_voice(const MusicQueueElement& music, const dpp::voice_track_marker_t& event);
+};
+}
+#endif
\ No newline at end of file
diff --git a/include/BumbleBee.hpp b/include/BumbleBee.hpp
index 3a93623..8267f92 100644
--- a/include/BumbleBee.hpp
+++ b/include/BumbleBee.hpp
@@ -4,9 +4,7 @@
 #include <dpp/dpp.h>
 #include <dpp/nlohmann/json.hpp>
 #include <memory>
-#include <BumbleBeeCommand.hpp>
-#include <MusicQueue.hpp>
-#include <mariadb/conncpp.hpp>
+#include <Commands/BumbleBeeCommand.hpp>
 
 namespace bumbleBee {
 /**
@@ -16,49 +14,38 @@ namespace bumbleBee {
 class BumbleBee {
 public:
     /**
-     * @fn BumbleBee(nlohmann::json settings)
      * @brief 생성자
     **/
     BumbleBee();
     /**
-     * @fn ~BumbleBee()
      * @brief 파괴자
      * @details BumbleBee의 모든 Property를 책임지고 파괴합니다
     **/
     ~BumbleBee() {}
 
     /**
-     * @fn void start()
      * @brief 봇 시작
     **/
     void start();
 
     /**
-     * @fn void on_slashcommand(const dpp::slashcommand_t& event)
      * @brief slashcommand 이벤트 인지시 콜백되는 함수
-     * @param event
+     * @param event const dpp::slashcommand_t&
     **/
     void on_slashcommand(const dpp::slashcommand_t& event);
     /**
-     * @fn void on_ready(const dpp::ready_t &event)
      * @brief ready 이벤트 인지시 콜백되는 함수
-     * @param event
+     * @param event const dpp::ready_t&
     **/
-    void on_ready(const dpp::ready_t &event);
+    void on_ready(const dpp::ready_t& event);
 
     /// @brief DPP 기본 클러스터 객체
     std::shared_ptr<dpp::cluster> cluster;
-    /// @brief 음악 큐
-    std::shared_ptr<MusicQueue> queue;
 private:
-    /// @brief db 드라이버
-    sql::Driver* dbDriver;
-    /// @brief db 접속 URL
-    std::shared_ptr<sql::SQLString> dbURL;
-    /// @brief db 접속 속성
-    std::shared_ptr<sql::Properties> dbProperties;
     /// @brief Command 목록
-    std::vector<std::shared_ptr<commands::ICommand>> commands;
+    std::unordered_map<std::string, std::shared_ptr<commands::ICommand>> commands;
+    /// @brief voiceclient 관련 event 처리기 <guild id, 각 길드별 MusicPlayManager 인스턴스>
+    std::shared_ptr<MusicPlayManager> musicManager;
 };
 }
 #endif
\ No newline at end of file
diff --git a/include/BumbleBeeCommand.hpp b/include/BumbleBeeCommand.hpp
deleted file mode 100644
index d470ae1..0000000
--- a/include/BumbleBeeCommand.hpp
+++ /dev/null
@@ -1,102 +0,0 @@
-#pragma once
-#ifndef _BUMBLEBEECOMMAND_HPP_
-#define _BUMBLEBEECOMMAND_HPP_
-#include <dpp/dpp.h>
-#include <MusicQueue.hpp>
-
-namespace bumbleBee::commands {
-class ICommand {
-public:
-    /**
-     * @brief 기본 생성자
-     * @param botID 명령어 등록을 위한 봇 아이디
-     * @param queue 음악이 저장되어 있는 큐
-    **/
-    ICommand(dpp::snowflake botID, std::weak_ptr<MusicQueue> queue) {
-        this->botID = botID;
-        this->queue = queue;
-    }
-    /**
-     * @brief 명령어 호출 시에 콜백될 메소드
-     * @param event dpp::slashcommand_t
-    **/
-    virtual void operator()(const dpp::slashcommand_t &event){};
-
-    /// @brief 봇 명령어들의 이름과 별명들을 저장하는 벡터
-    std::vector<dpp::slashcommand> nameAndAliases;
-
-private:
-    /// @brief 봇 ID
-    dpp::snowflake botID;
-    /// @brief 음악 큐에 대한 약한 포인터
-    std::weak_ptr<MusicQueue> queue;
-
-    /**
-     * @brief 명령어 별명 추가
-     * @param name 명령어 이름
-     * @param description 명령어 설명
-    **/
-    void addCommandAliase(std::string name, std::string description) {
-        nameAndAliases.push_back(dpp::slashcommand(name, description, botID));
-    }
-};
-}
-
-/**
- * @brief 명령어 인자가 없는 명령어의 boilerplate 대체 매크로
- * @param name 명령어 이름 및 클래스명
- * @param alias 명령어 별명
- * @param description 명령어 설명
-**/
-#define _DECLARE_BUMBLEBEE_COMMAND_one_ALIAS(name, alias, description) \
-namespace bumbleBee::commands { \
-class name : public ICommand { \
-public: \
-    name (dpp::snowflake botID, std::weak_ptr<MusicQueue> q) \
-    : ICommand(botID, q) { \
-        dpp::slashcommand command = dpp::slashcommand(#name, description, botID); \
-        dpp::slashcommand aliasCommand = dpp::slashcommand(alias, description, botID); \
-        nameAndAliases.push_back(command); \
-        nameAndAliases.push_back(aliasCommand); \
-    } \
-    virtual void operator()(const dpp::slashcommand_t &event) override; \
-}; \
-}
-
-/**
- * @brief 명령어 인자를 하나 갖는 명령어의 boilerplate 대체 매크로
- * @param name 명령어 이름 및 클래스명
- * @param alias 명령어 별명
- * @param description 명령어 설명
- * @param option_name 명령어 인자 이름
- * @param option_desc 명령어 인자 설명
-**/
-#define _DECLARE_BUMBLEBEE_COMMAND_one_PARAM_one_ALIAS(name, alias, description, option_name, option_desc) \
-namespace bumbleBee::commands { \
-class name : public ICommand { \
-public: \
-    name (dpp::snowflake botID, std::weak_ptr<MusicQueue> q) \
-    : ICommand(botID, q) { \
-        dpp::slashcommand command = dpp::slashcommand(#name, description, botID); \
-        dpp::slashcommand aliasCommand = dpp::slashcommand(alias, description, botID); \
-        command.add_option( \
-            dpp::command_option(dpp::co_string, option_name, option_desc, botID) \
-        ); \
-        aliasCommand.add_option( \
-            dpp::command_option(dpp::co_string, option_name, option_desc, botID) \
-        ); \
-        nameAndAliases.push_back(command); \
-        nameAndAliases.push_back(aliasCommand); \
-    } \
-    virtual void operator()(const dpp::slashcommand_t &event) override; \
-}; \
-}
-
-_DECLARE_BUMBLEBEE_COMMAND_one_PARAM_one_ALIAS(Delete, "d", "큐의 해당하는 번호의 노래를 지웁니다", "pos", "큐 번호")
-_DECLARE_BUMBLEBEE_COMMAND_one_ALIAS(Leave, "l", "음성 채팅방을 떠납니다")
-_DECLARE_BUMBLEBEE_COMMAND_one_PARAM_one_ALIAS(Play, "p", "노래 재생", "query", "링크 또는 검색어")
-_DECLARE_BUMBLEBEE_COMMAND_one_ALIAS(Queue, "q", "노래 예약 큐를 출력합니다")
-_DECLARE_BUMBLEBEE_COMMAND_one_ALIAS(Repeat, "r", "반복을 켜거나 끕니다")
-_DECLARE_BUMBLEBEE_COMMAND_one_ALIAS(Skip, "s", "현재 재생중인 곡을 스킵합니다")
-
-#endif
\ No newline at end of file
diff --git a/include/Commands/BumbleBeeCommand.hpp b/include/Commands/BumbleBeeCommand.hpp
new file mode 100644
index 0000000..bf16d36
--- /dev/null
+++ b/include/Commands/BumbleBeeCommand.hpp
@@ -0,0 +1,70 @@
+#pragma once
+#ifndef _BUMBLEBEECOMMAND_HPP_
+#define _BUMBLEBEECOMMAND_HPP_
+#include <dpp/dpp.h>
+#include <Audio/MusicPlayManager.hpp>
+#include <functional>
+
+namespace bumbleBee::commands {
+class ICommand : public dpp::slashcommand {
+public:
+    /**
+     * @brief 기본 생성자
+     * @param botID 봇 아이디
+     * @param manager 음악재생 매니저
+    **/
+    ICommand(dpp::snowflake botID, std::shared_ptr<MusicPlayManager> manager) {
+        this->botID = botID;
+        this->musicManager = manager;
+    }
+    /**
+     * @brief 명령어 호출 시에 콜백될 메소드
+     * @param event dpp::slashcommand_t
+    **/
+    virtual void execute(const dpp::slashcommand_t &event){};
+
+    /// @brief 명령어 별명
+    std::vector<std::string> aliases;
+private:
+    /// @brief 봇 ID
+    dpp::snowflake botID;
+protected:
+    /// @brief 음악재생 매니저
+    std::shared_ptr<MusicPlayManager> musicManager;
+
+protected:
+    /// @brief concrete class에서 구현해야 하는 init 이벤트트
+    virtual void init() = 0;
+};
+}
+
+/**
+ * @brief 명령어 인자가 없는 명령어의 boilerplate 대체 매크로
+ * @param name 명령어 이름 및 클래스명
+ * @param description 명령어 설명
+**/
+#define _DECLARE_BUMBLEBEE_COMMAND(CLASS, NAME, DESCRIPTION) \
+namespace bumbleBee::commands { \
+class CLASS : public ICommand { \
+public: \
+    CLASS (dpp::snowflake botID, std::shared_ptr<MusicPlayManager> manager) \
+    : ICommand(botID, manager) { \
+        name = #NAME; \
+        description = DESCRIPTION; \
+        init(); \
+    } \
+    virtual void execute(const dpp::slashcommand_t &event) override; \
+protected: \
+    virtual void init() override; \
+}; \
+}
+
+_DECLARE_BUMBLEBEE_COMMAND(Delete,  d,          "큐의 해당하는 번호의 노래를 지웁니다")
+_DECLARE_BUMBLEBEE_COMMAND(Leave,   l,          "음성 채팅방을 떠납니다")
+_DECLARE_BUMBLEBEE_COMMAND(Play,    p,          "노래 재생")
+_DECLARE_BUMBLEBEE_COMMAND(Queue,   q,          "노래 예약 큐를 출력합니다")
+_DECLARE_BUMBLEBEE_COMMAND(Repeat,  r,          "반복을 켜거나 끕니다")
+_DECLARE_BUMBLEBEE_COMMAND(Skip,    s,          "현재 재생중인 곡을 스킵합니다")
+_DECLARE_BUMBLEBEE_COMMAND(Shuffle, shuffle,    "큐를 섞습니다")
+
+#endif
\ No newline at end of file
diff --git a/include/MusicPlayManager.hpp b/include/MusicPlayManager.hpp
deleted file mode 100644
index 978bb5f..0000000
--- a/include/MusicPlayManager.hpp
+++ /dev/null
@@ -1,16 +0,0 @@
-#pragma once
-#ifndef _MUSICPLAYMANAGER_HPP_
-#define _MUSICPLAYMANAGER_HPP_
-#include <dpp/dpp.h>
-
-namespace BumbleBee {
-class MusicPlayManager {
-public:
-    MusicPlayManager(std::shared_ptr<dpp::cluster> cluster) {
-        this->cluster = cluster;
-    }
-private:
-    std::shared_ptr<dpp::cluster> cluster;
-};
-}
-#endif
\ No newline at end of file
diff --git a/include/MusicQueue.hpp b/include/MusicQueue.hpp
deleted file mode 100644
index dc08f4f..0000000
--- a/include/MusicQueue.hpp
+++ /dev/null
@@ -1,50 +0,0 @@
-#pragma once
-#ifndef _MUSICQUEUE_HPP_
-#define _MUSICQUEUE_HPP_
-#include <memory>
-#include <functional>
-#include <condition_variable>
-#include <list>
-#include <dpp/dpp.h>
-
-namespace bumbleBee {
-
-class MusicQueueElement {
-public:
-    MusicQueueElement(
-        dpp::message originalResponse,
-        std::string id,
-        std::string url,
-        FILE* stream) :
-
-        originalResponse(originalResponse), id(id), url(url), stream(stream) {}
-    dpp::message originalResponse;
-    std::string id;
-    std::string url;
-    FILE* stream;
-};
-
-class MusicQueue {
-public:
-    MusicQueue() {
-        currentPlayingPosition = queue.begin();
-        repeat = false;
-    }
-    void enqueue(std::shared_ptr<MusicQueueElement> Element);
-    std::shared_ptr<MusicQueueElement> dequeue();
-    std::shared_ptr<MusicQueueElement> findById(std::string id);
-    std::weak_ptr<MusicQueueElement> nowplaying();
-    std::weak_ptr<MusicQueueElement> next_music();
-    std::weak_ptr<MusicQueueElement> jump_to_index(int idx);
-
-    bool repeat;
-    std::function<void()> on_queue_added;
-private:
-    std::condition_variable queueItemAdded;
-    std::mutex queueMutex;
-    std::list<std::shared_ptr<MusicQueueElement>> queue;
-    std::list<std::shared_ptr<MusicQueueElement>>::iterator currentPlayingPosition;
-};
-}
-
-#endif
\ No newline at end of file
diff --git a/include/Queue/MusicQueue.hpp b/include/Queue/MusicQueue.hpp
new file mode 100644
index 0000000..6adaa3c
--- /dev/null
+++ b/include/Queue/MusicQueue.hpp
@@ -0,0 +1,36 @@
+#pragma once
+#ifndef _MUSICQUEUE_HPP_
+#define _MUSICQUEUE_HPP_
+#include <memory>
+#include <functional>
+#include <condition_variable>
+#include <list>
+#include <dpp/dpp.h>
+#include <Queue/MusicQueueElement.hpp>
+
+namespace bumbleBee {
+
+class MusicQueue {
+public:
+    MusicQueue() {
+        queue = std::list<std::shared_ptr<MusicQueueElement>>();
+        currentPlayingPosition = queue.begin();
+        repeat = false;
+    }
+    void                                                    enqueue(std::shared_ptr<MusicQueueElement> Element);
+    std::shared_ptr<MusicQueueElement>                      dequeue();
+    std::list<std::shared_ptr<MusicQueueElement>>::iterator findById(std::string id);
+    std::shared_ptr<MusicQueueElement>                      nowplaying();
+    std::list<std::shared_ptr<MusicQueueElement>>::iterator next_music();
+    std::shared_ptr<MusicQueueElement>                      jump_to_index(int idx);
+
+    bool repeat;
+
+    std::list<std::shared_ptr<MusicQueueElement>>::iterator currentPlayingPosition;
+    std::list<std::shared_ptr<MusicQueueElement>> queue;
+private:
+    std::mutex queueMutex;
+};
+}
+
+#endif
\ No newline at end of file
diff --git a/include/Queue/MusicQueueElement.hpp b/include/Queue/MusicQueueElement.hpp
new file mode 100644
index 0000000..6de98f3
--- /dev/null
+++ b/include/Queue/MusicQueueElement.hpp
@@ -0,0 +1,21 @@
+#pragma once
+#ifndef _MUSICQUEUEELEMENT_HPP_
+#define _MUSICQUEUEELEMENT_HPP_
+#include <dpp/dpp.h>
+
+namespace bumbleBee {
+
+class MusicQueueElement {
+public:
+    MusicQueueElement(
+        std::string id,
+        std::string query,
+        dpp::user issuingUser) :
+        id(id), query(query), issuingUser(issuingUser) {}
+
+    const std::string id;
+    const std::string query;
+    const dpp::user issuingUser;
+};
+}
+#endif
\ No newline at end of file
diff --git a/include/Settings/SettingsManager.hpp b/include/Settings/SettingsManager.hpp
index 7728c9d..81b2220 100644
--- a/include/Settings/SettingsManager.hpp
+++ b/include/Settings/SettingsManager.hpp
@@ -1,30 +1,37 @@
 #pragma once
 #ifndef _SETTINGSMANAGER_HPP_
 #define _SETTINGSMANAGER_HPP_
-#include <string>
-#include <dpp/nlohmann/json.hpp>
-#include <fstream>
+#include <dpp/dpp.h>
+
+#define _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(type, name, Name)\
+private:\
+    static type name;\
+public:\
+    static type get##Name() {return name;}\
+    static void set##Name(const type& value) {name = value; saveToFile();}
 
 namespace bumbleBee {
+/// @brief 모든 설정은 이 객체를 통해 스태틱하게 제공됨.
 class settingsManager {
-public:
     /// @brief 봇 토큰
-    static std::string TOKEN;
+    _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(std::string, TOKEN, TOKEN)
     /// @brief yt-dlp 실행 명령어
-    static std::string YTDLP_CMD;
+    _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(std::string, YTDLP_CMD, YTDLP_CMD)
     /// @brief ffmpeg 실행 명령어
-    static std::string FFMPEG_CMD;
-    /// @brief db접속 url
-    static std::string DBURL;
-    /// @brief db접속 유저
-    static std::string DBUSER;
-    /// @brief db접속 비밀번호
-    static std::string DBPASSWORD;
-
-
-    static void load();
-    
+    _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(std::string, FFMPEG_CMD, FFMPEG_CMD)
+    /// @brief 로그레벨
+    _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(dpp::loglevel, LOGLEVEL, LOGLEVEL)
+    /// @brief 이전에 있던 명령을 지우고 등록할지 선택합니다.
+    _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(bool, CLCOMMAND, CLCOMMAND)
+public:
+    /// @brief 설정 로드하기, 설정은 이 load()를 부르기 전까지는 적절하지 못한 값을 가지고 있음.
+    /// @return 로드 성공 시 true, 실패 시 false 반환.
+    static bool load();
+    /// @brief 설정 변경사항 저장
     static void saveToFile();
+    /// @brief 토큰이 유효한지 체크합니다.
+    /// @return 유효한 토큰이면 true, 아니면 false를 반환합니다.
+    static bool validateToken();
 };
 }
 #endif
\ No newline at end of file
diff --git a/include/AsyncDownloadManager.hpp b/include/Utils/AsyncDownloadManager.hpp
similarity index 85%
rename from include/AsyncDownloadManager.hpp
rename to include/Utils/AsyncDownloadManager.hpp
index 43d567c..89126da 100644
--- a/include/AsyncDownloadManager.hpp
+++ b/include/Utils/AsyncDownloadManager.hpp
@@ -6,18 +6,15 @@
 #include <thread>
 #include <condition_variable>
 #include <dpp/dpp.h>
-#include <MusicQueue.hpp>
-
-#define WORKER_COUNT 5
+#include <Queue/MusicQueue.hpp>
 
 namespace bumbleBee {
 /// @brief 싱글톤 멀티스레딩 다운로드 매니저
-class AsyncDownloadManager {
+class [[deprecated]] AsyncDownloadManager {
 public:
-    static AsyncDownloadManager& getInstance(int worker_count, std::weak_ptr<dpp::cluster> weak_cluster, std::shared_ptr<bumbleBee::MusicQueue> musicQueue) {
+    static AsyncDownloadManager& getInstance(int worker_count, std::weak_ptr<dpp::cluster> weak_cluster) {
         static AsyncDownloadManager dl(worker_count);
         dl.weak_cluster = weak_cluster;
-        dl.musicQueue = musicQueue;
         return dl;
     }
     void enqueue(std::pair<std::string, dpp::message> query) {
@@ -55,7 +52,6 @@ private:
     std::condition_variable dlQueueCondition;
     std::mutex dlQueueMutex;
     std::weak_ptr<dpp::cluster> weak_cluster;
-    std::shared_ptr<bumbleBee::MusicQueue> musicQueue;
     std::vector<std::thread> worker_thread;
     bool terminate;
 };
diff --git a/include/Utils/VersionsCheckUtils.hpp b/include/Utils/VersionsCheckUtils.hpp
index 1cb6081..ee60728 100644
--- a/include/Utils/VersionsCheckUtils.hpp
+++ b/include/Utils/VersionsCheckUtils.hpp
@@ -19,7 +19,7 @@ public:
 
     static void validateYTDLPFFMPEGBinary(std::shared_ptr<dpp::cluster> cluster) {
         cluster->log(dpp::ll_info, "Checking if yt-dlp and ffmpeg is available...");
-        std::queue<std::string> result = ConsoleUtils::getResultFromCommand(settingsManager::FFMPEG_CMD + " -version");
+        std::queue<std::string> result = ConsoleUtils::getResultFromCommand(settingsManager::getFFMPEG_CMD() + " -version");
         std::string front = result.front();
         if (front[0] != 'f' ||
             front[1] != 'f' ||
@@ -40,8 +40,9 @@ public:
             system("tar -xf ffmpeg-master-latest-linux64-gpl.tar.xz");
             system("rm ffmpeg-master-latest-linux64-gpl.tar.xz");
             system("mv ffmpeg-master-latest-linux64-gpl ffmpeg");
+            settingsManager::setFFMPEG_CMD("./ffmpeg/bin/ffmpeg");
         }
-        result = ConsoleUtils::getResultFromCommand(settingsManager::YTDLP_CMD + " --version");
+        result = ConsoleUtils::getResultFromCommand(settingsManager::getYTDLP_CMD() + " --version");
         front = result.front();
         if ((front[0]-'0' < 0 || front[0]-'0' > 9) ||
             (front[1]-'0' < 0 || front[1]-'0' > 9) ||
@@ -58,6 +59,7 @@ public:
 
             system("curl -LO https://github.com/yt-dlp/yt-dlp/releases/latest/download/yt-dlp");
             system("chmod +x ./yt-dlp");
+            settingsManager::setYTDLP_CMD("./yt-dlp");
         }
     }
 
diff --git a/src/Audio/MusicPlayManager.cpp b/src/Audio/MusicPlayManager.cpp
new file mode 100644
index 0000000..0a4113e
--- /dev/null
+++ b/src/Audio/MusicPlayManager.cpp
@@ -0,0 +1,68 @@
+#include <Audio/MusicPlayManager.hpp>
+#include <ogg/ogg.h>
+#include <oggz/oggz.h>
+
+namespace bumbleBee {
+
+void MusicPlayManager::on_voice_ready(const dpp::voice_ready_t& event) {
+    std::unique_lock<std::mutex> queueEmptyLock(queueEmptyMutex);
+    queuedCondition.wait(queueEmptyLock, [&]{
+        return queue->queue.size() != 0;
+    });
+
+    auto np = queue->nowplaying();
+    auto music = *np;
+    
+    std::string command = "./streamOpus.sh ./yt-dlp ffmpeg https://youtu.be/";
+    command += music.id;
+
+    OGGZ* og = oggz_open_stdio(popen(command.c_str(), "r"), OGGZ_READ);
+
+    oggz_set_read_callback(
+        og, -1,
+        [](OGGZ *oggz, oggz_packet *packet, long serialno, void *user_data) {
+            auto voiceConn = (dpp::discord_voice_client *)user_data;
+
+            voiceConn->send_audio_opus(packet->op.packet, packet->op.bytes);
+
+            return 0;
+        },
+        (void *)event.voice_client
+    );
+
+    while (event.voice_client && !event.voice_client->terminating) {
+        static const constexpr long CHUNK_READ = BUFSIZ * 2;
+
+        const long read_bytes = oggz_read(og, CHUNK_READ);
+
+        /* break on eof */
+        if (!read_bytes) {
+            break;
+        }
+    }
+
+    //event.from->creator->log(dpp::ll_info, std::string("Sending ") + music.id + " complete!");
+    oggz_close(og);
+
+    event.voice_client->insert_marker("end");
+
+    queueEmptyLock.unlock();
+}
+
+void MusicPlayManager::on_voice_track_marker(const dpp::voice_track_marker_t& event) {
+    queue->next_music();
+}
+
+void MusicPlayManager::on_voice_client_disconnect(const dpp::voice_client_disconnect_t& event) {
+    event.voice_client->stop_audio();
+}
+
+void MusicPlayManager::queue_music(const std::shared_ptr<MusicQueueElement> music) {
+    queue->enqueue(music);
+}
+
+void MusicPlayManager::send_audio_to_voice(const MusicQueueElement& music, const dpp::voice_ready_t &event) {
+    
+}
+}
+
diff --git a/src/BumbleBee.cpp b/src/BumbleBee.cpp
index ea1eacd..2b236bd 100644
--- a/src/BumbleBee.cpp
+++ b/src/BumbleBee.cpp
@@ -2,39 +2,80 @@
 #include <memory>
 #include <Settings/SettingsManager.hpp>
 #include <Utils/VersionsCheckUtils.hpp>
+#include <Audio/MusicPlayManager.hpp>
+#include <Commands/BumbleBeeCommand.hpp>
 
 namespace bumbleBee{
 BumbleBee::BumbleBee() {
-    settingsManager::load();
-    this->cluster = std::make_shared<dpp::cluster>(settingsManager::TOKEN);
-    dbDriver = sql::mariadb::get_driver_instance();
-    this->dbURL = std::make_shared<sql::SQLString>(settingsManager::DBURL);
-    sql::Properties pro({
-        {"user", std::string(settingsManager::DBUSER)},
-        {"password", std::string(settingsManager::DBPASSWORD)}
-    });
-    this->dbProperties = std::make_shared<sql::Properties>(pro);
+    if (!settingsManager::load()) {
+        std::cout << "Please configure confing.json" << std::endl;
+        exit(1);
+    }
 
-    cluster->on_log(dpp::utility::cout_logger());
+    cluster = std::make_shared<dpp::cluster>(settingsManager::getTOKEN());
+
+    cluster->on_log([](const dpp::log_t& event) {
+		if (event.severity >= settingsManager::getLOGLEVEL()) {
+			std::cout << "[" << dpp::utility::current_date_time() << "] " << dpp::utility::loglevel(event.severity) << ": " << event.message << "\n";
+		}
+	});
     cluster->on_slashcommand([this](const dpp::slashcommand_t& event){on_slashcommand(event);});
     cluster->on_ready([this](const dpp::ready_t &event){on_ready(event);});
 
-    queue = std::make_shared<MusicQueue>();
-    
     VersionsCheckUtils::validateYTDLPFFMPEGBinary(cluster);
     VersionsCheckUtils::updateytdlp(cluster);
+
+    musicManager = std::make_shared<MusicPlayManager>(cluster);
+
+    commands["d"] = std::make_shared<commands::Delete>  (cluster->cluster_id, musicManager);
+    commands["l"] = std::make_shared<commands::Leave>   (cluster->cluster_id, musicManager);
+    commands["p"] = std::make_shared<commands::Play>    (cluster->cluster_id, musicManager);
+    commands["q"] = std::make_shared<commands::Queue>   (cluster->cluster_id, musicManager);
+    commands["r"] = std::make_shared<commands::Repeat>  (cluster->cluster_id, musicManager);
+    commands["s"] = std::make_shared<commands::Skip>    (cluster->cluster_id, musicManager);
+
+    for (auto command : commands) {
+        for (auto aliase : command.second->aliases) {
+            commands[aliase] = std::shared_ptr<commands::ICommand>(command.second);
+            commands[aliase]->set_name(aliase);
+        }
+    }
 }
 
 void BumbleBee::start() { this->cluster->start(dpp::st_wait); }
 
 void BumbleBee::on_slashcommand(const dpp::slashcommand_t &event) {
-    for (auto command : commands)
-        for (auto alias : command->nameAndAliases)
-            if (event.command.get_command_name() == alias.name)
-                (*command)(event);
+    if (commands.find(event.command.get_command_name()) != commands.end()) {
+        event.thinking();
+        auto command = commands.at(event.command.get_command_name());
+        std::thread t([](const dpp::slashcommand_t &event, std::shared_ptr<commands::ICommand> command){
+            command->execute(event);
+        }, event, command);
+        t.detach();
+    }
 }
 
 void BumbleBee::on_ready(const dpp::ready_t &event) {
     cluster->log(dpp::loglevel::ll_info, "Bot ready.");
+    
+    if (event.guilds.size() == 0) {
+        cluster->log(dpp::loglevel::ll_info, "Bot is not on any server! Please invite this bot to any server.");
+        exit(1);
+    }
+    
+    if (dpp::run_once<struct register_bot_commands>()) {
+        if (settingsManager::getCLCOMMAND()) {
+            cluster->log(dpp::loglevel::ll_info, "Clear Pre-installed commands");
+            cluster->global_bulk_command_delete([](const dpp::confirmation_callback_t &t){
+                std::cout << "cleared Pre-installed commands. Please restart Bot" << std::endl;
+                settingsManager::setCLCOMMAND(false);
+                exit(0);
+            });
+            return;
+        }
+        for (auto command : commands)
+            cluster->global_command_create(*command.second);
+    }
+    cluster->log(dpp::loglevel::ll_info, "Command created.");
 }
 }
\ No newline at end of file
diff --git a/src/Commands/Delete.cpp b/src/Commands/Delete.cpp
index 4354ee2..6ac09da 100644
--- a/src/Commands/Delete.cpp
+++ b/src/Commands/Delete.cpp
@@ -1,7 +1,11 @@
-#include <BumbleBeeCommand.hpp>
+#include <Commands/BumbleBeeCommand.hpp>
 
 namespace bumbleBee::commands {
-    void Delete::operator()(const dpp::slashcommand_t &event) {
+    void Delete::execute(const dpp::slashcommand_t &event) {
+        event.edit_original_response(dpp::message("delete"));
+    }
 
+    void Delete::init() {
+        aliases.push_back("delete");
     }
 }
\ No newline at end of file
diff --git a/src/Commands/Leave.cpp b/src/Commands/Leave.cpp
new file mode 100644
index 0000000..d315e16
--- /dev/null
+++ b/src/Commands/Leave.cpp
@@ -0,0 +1,10 @@
+#include <Commands/BumbleBeeCommand.hpp>
+
+namespace bumbleBee::commands {
+    void Leave::execute(const dpp::slashcommand_t &event) {
+        event.edit_original_response(dpp::message("leave"));
+    }
+
+    void Leave::init() {
+    }
+}
\ No newline at end of file
diff --git a/src/Commands/Play.cpp b/src/Commands/Play.cpp
new file mode 100644
index 0000000..e914c2f
--- /dev/null
+++ b/src/Commands/Play.cpp
@@ -0,0 +1,70 @@
+#include <Commands/BumbleBeeCommand.hpp>
+#include <Utils/ConsoleUtils.hpp>
+#include <variant>
+
+namespace bumbleBee::commands {
+    void Play::execute(const dpp::slashcommand_t &event) {
+        dpp::guild *g = dpp::find_guild(event.command.guild_id);
+
+        if (!g) { //wtf?
+            event.edit_original_response(dpp::message("GUILD NOT FOUND!! WHAT IS THIS SORCERY??"));
+            return;
+        }
+        if (std::holds_alternative<std::monostate>(event.get_parameter("query")))
+        {
+            event.reply("노래를 재생하려면 검색어 또는 링크를 입력해 주십시오.");
+            return;
+        }
+        if (!event.from->get_voice(event.command.guild_id) && !g->connect_member_voice(event.command.usr.id)) {
+            event.edit_original_response(dpp::message("노래를 재생할 음성 채팅방에 먼저 참가하고 신청해야 합니다!"));
+            return;
+        }
+        std::string query = std::get<std::string>(event.get_parameter("query"));
+
+        std::queue<std::string> ids = ConsoleUtils::getResultFromCommand("./yt-dlp --default-search ytsearch --flat-playlist --skip-download --quiet --ignore-errors --print id " + query);
+
+        std::queue<MusicQueueElement> musics;
+
+        dpp::message origMsg;
+
+        if (ids.size() >= 2) {
+            event.from->creator->log(dpp::ll_info, "Playlist detected.");
+            while (!ids.empty()) {
+                if (ids.front() == "") {
+                    ids.pop();
+                    continue;
+                }
+                event.from->creator->log(dpp::ll_info, "Enqueuing " + ids.front());
+
+                MusicQueueElement music(
+                    ids.front(),
+                    query,
+                    event.command.usr
+                );
+
+                musics.push(music);
+                ids.pop();
+            }
+        }
+
+        MusicQueueElement music(
+            ids.front(),
+            query,
+            event.command.usr
+        );
+        musics.push(music);
+
+        while (!musics.empty()) {
+            auto element = musics.front();
+            musicManager->queue_music(std::make_shared<MusicQueueElement>(element));
+            musics.pop();
+        }
+
+        event.edit_original_response(dpp::message("play"));
+        musicManager->queuedCondition.notify_one();
+    }
+
+    void Play::init() {
+        add_option(dpp::command_option(dpp::co_string, "query", "링크 또는 검색어", true));
+    }
+}
\ No newline at end of file
diff --git a/src/Commands/Queue.cpp b/src/Commands/Queue.cpp
new file mode 100644
index 0000000..267241f
--- /dev/null
+++ b/src/Commands/Queue.cpp
@@ -0,0 +1,10 @@
+#include <Commands/BumbleBeeCommand.hpp>
+
+namespace bumbleBee::commands {
+    void Queue::execute(const dpp::slashcommand_t &event) {
+        event.edit_original_response(dpp::message("queue"));
+    }
+
+    void Queue::init() {
+    }
+}
\ No newline at end of file
diff --git a/src/Commands/Repeat.cpp b/src/Commands/Repeat.cpp
new file mode 100644
index 0000000..c151dfb
--- /dev/null
+++ b/src/Commands/Repeat.cpp
@@ -0,0 +1,10 @@
+#include <Commands/BumbleBeeCommand.hpp>
+
+namespace bumbleBee::commands {
+    void Repeat::execute(const dpp::slashcommand_t &event) {
+        event.edit_original_response(dpp::message("repeat"));
+    }
+
+    void Repeat::init() {
+    }
+}
\ No newline at end of file
diff --git a/src/Commands/Shuffle.cpp b/src/Commands/Shuffle.cpp
new file mode 100644
index 0000000..0d6078c
--- /dev/null
+++ b/src/Commands/Shuffle.cpp
@@ -0,0 +1,10 @@
+#include <Commands/BumbleBeeCommand.hpp>
+
+namespace bumbleBee::commands {
+    void Shuffle::execute(const dpp::slashcommand_t &event) {
+        event.edit_original_response(dpp::message("shuffle"));
+    }
+
+    void Shuffle::init() {
+    }
+}
\ No newline at end of file
diff --git a/src/Commands/Skip.cpp b/src/Commands/Skip.cpp
new file mode 100644
index 0000000..1d0e3c8
--- /dev/null
+++ b/src/Commands/Skip.cpp
@@ -0,0 +1,10 @@
+#include <Commands/BumbleBeeCommand.hpp>
+
+namespace bumbleBee::commands {
+    void Skip::execute(const dpp::slashcommand_t &event) {
+        event.edit_original_response(dpp::message("skip"));
+    }
+
+    void Skip::init() {
+    }
+}
\ No newline at end of file
diff --git a/src/MusicQueue.cpp b/src/Queue/MusicQueue.cpp
similarity index 51%
rename from src/MusicQueue.cpp
rename to src/Queue/MusicQueue.cpp
index b288cdd..f56da13 100644
--- a/src/MusicQueue.cpp
+++ b/src/Queue/MusicQueue.cpp
@@ -1,45 +1,44 @@
-#include <MusicQueue.hpp>
+#include <Queue/MusicQueue.hpp>
 #include <iostream>
 
 namespace bumbleBee {
 
 void MusicQueue::enqueue(std::shared_ptr<MusicQueueElement> Element) {
     std::lock_guard<std::mutex> lock(queueMutex);
-    queue.push_back(Element);
+        queue.push_back(Element);
+    if (queue.size() == 1) // 이전에 하나도 없었다는 말이므로.
+        currentPlayingPosition = queue.begin(); // 첫번째 곡으로 iterator를 옮겨준다.
 }
 
 std::shared_ptr<MusicQueueElement> MusicQueue::dequeue() {
     std::lock_guard<std::mutex> lock(queueMutex);
-    auto value = std::move(queue.front());
+    auto value = queue.front();
     queue.pop_front();
     return value;
 }
-std::shared_ptr<MusicQueueElement> MusicQueue::findById(std::string id) {
+std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::findById(std::string id) {
     std::lock_guard<std::mutex> lock(queueMutex);
     int index = 0;
     for (auto iter = queue.begin(); iter != queue.end(); iter++) {
         if ((*iter).get()->id == id)
-            return *iter;
+            return iter;
     }
-    return std::shared_ptr<MusicQueueElement>();
+    return queue.end();
 }
-std::weak_ptr<MusicQueueElement> MusicQueue::nowplaying()
-{
+std::shared_ptr<MusicQueueElement> MusicQueue::nowplaying() {
     return *currentPlayingPosition;
 }
-std::weak_ptr<MusicQueueElement> MusicQueue::next_music() {
+std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::next_music() {
     std::lock_guard<std::mutex> lock(queueMutex);
-    if (currentPlayingPosition == queue.end())
-        return *currentPlayingPosition;
-
-    ++currentPlayingPosition;
-
-    if (repeat && currentPlayingPosition == queue.end()) {
+    if (currentPlayingPosition == std::prev(queue.end()) || !repeat)
+        return queue.end();
+    if (currentPlayingPosition == std::prev(queue.end()) || repeat)
         currentPlayingPosition = queue.begin();
-    }
-    return *currentPlayingPosition;
+    else
+        ++currentPlayingPosition;
+    return currentPlayingPosition;
 }
-std::weak_ptr<MusicQueueElement> MusicQueue::jump_to_index(int idx) {
+std::shared_ptr<MusicQueueElement> MusicQueue::jump_to_index(int idx) {
     std::lock_guard<std::mutex> lock(queueMutex);
     int index = 0;
     for (auto iter = queue.begin(); iter != queue.end(); iter++) {
@@ -50,4 +49,4 @@ std::weak_ptr<MusicQueueElement> MusicQueue::jump_to_index(int idx) {
     }
     return std::shared_ptr<MusicQueueElement>();
 }
-}
\ No newline at end of file
+}
diff --git a/src/Settings/SettingsManager.cpp b/src/Settings/SettingsManager.cpp
index fa6b4e0..5f145dd 100644
--- a/src/Settings/SettingsManager.cpp
+++ b/src/Settings/SettingsManager.cpp
@@ -1,51 +1,82 @@
 #include <Settings/SettingsManager.hpp>
+#include <dpp/nlohmann/json.hpp>
+#include <Utils/ConsoleUtils.hpp>
+#include <fstream>
+#include <sstream>
 
 namespace bumbleBee {
 
 std::string settingsManager::TOKEN = "";
 std::string settingsManager::YTDLP_CMD = "./yt-dlp";
 std::string settingsManager::FFMPEG_CMD = "./ffmpeg/bin/ffmpeg";
-std::string settingsManager::DBURL = "";
-std::string settingsManager::DBUSER = "";
-std::string settingsManager::DBPASSWORD = "";
+dpp::loglevel settingsManager::LOGLEVEL = dpp::ll_debug;
+bool settingsManager::CLCOMMAND = false;
 
-void settingsManager::load() {
+bool settingsManager::validateToken() {
+    nlohmann::json response;
+    if (ConsoleUtils::getResultFromCommand("which curl").size() == 0) {
+        std::cout << "curl is unavaliable. unresolable error please install curl." << std::endl;
+        return false;
+    }
+
+    std::string stresult = ConsoleUtils::getResultFromCommand("curl -sX GET \"https://discord.com/api/v10/users/@me\" -H \"Authorization: Bot " +
+        TOKEN + "\"").front();
+    std::stringstream ss(stresult);
+    ss >> response;
+
+    if (response.contains("message") && response["message"] == "401: Unauthorized") {
+        std::cout << "Token is invalid" << std::endl;
+        return false;
+    }
+    else
+        return true;
+}
+
+bool settingsManager::load() {
     nlohmann::json configdocument;
     try {
         std::ifstream configfile("config.json");
+        if (!configfile) {
+            saveToFile();
+            return false;
+        }
         configfile >> configdocument;
 
         TOKEN = configdocument["TOKEN"];
+
+        if (!validateToken())
+            return false;
+
         YTDLP_CMD = configdocument["YTDLP_CMD"];
         FFMPEG_CMD = configdocument["FFMPEG_CMD"];
-        DBURL = configdocument["DBURL"];
-        DBUSER = configdocument["DBUSER"];
-        DBPASSWORD = configdocument["DBPASSWORD"];
+
+        std::string level = configdocument["LOGLEVEL"];
+        
+        std::transform(level.begin(), level.end(), level.begin(), ::tolower);
+        if (level == "trace")
+            LOGLEVEL = dpp::ll_trace;
+        else if (level == "debug")
+            LOGLEVEL = dpp::ll_debug;
+        else if (level == "warning")
+            LOGLEVEL = dpp::ll_warning;
+        else if (level == "error")
+            LOGLEVEL = dpp::ll_error;
+        else if (level == "critical")
+            LOGLEVEL = dpp::ll_critical;
+        else // 값이 병신같을때 기본값으로 ll_info 부여
+            LOGLEVEL = dpp::ll_info;
+
+        CLCOMMAND = configdocument["CLEAR_PREVIOUS_COMMAND"];
     }
     catch (const nlohmann::json::type_error& e) {
         saveToFile();
-        std::ifstream configfile("config.json");
-        configfile >> configdocument;
-
-        TOKEN = configdocument["TOKEN"];
-        YTDLP_CMD = configdocument["YTDLP_CMD"];
-        FFMPEG_CMD = configdocument["FFMPEG_CMD"];
-        DBURL = configdocument["DBURL"];
-        DBUSER = configdocument["DBUSER"];
-        DBPASSWORD = configdocument["DBPASSWORD"];
+        return load();
     }
     catch (const nlohmann::json::parse_error& e) {
         saveToFile();
-        std::ifstream configfile("config.json");
-        configfile >> configdocument;
-
-        TOKEN = configdocument["TOKEN"];
-        YTDLP_CMD = configdocument["YTDLP_CMD"];
-        FFMPEG_CMD = configdocument["FFMPEG_CMD"];
-        DBURL = configdocument["DBURL"];
-        DBUSER = configdocument["DBUSER"];
-        DBPASSWORD = configdocument["DBPASSWORD"];
+        return load();
     }
+    return true;
 }
 
 void settingsManager::saveToFile() {
@@ -54,9 +85,29 @@ void settingsManager::saveToFile() {
     configdocument["TOKEN"] = TOKEN;
     configdocument["YTDLP_CMD"] = YTDLP_CMD;
     configdocument["FFMPEG_CMD"] = FFMPEG_CMD;
-    configdocument["DBURL"] = DBURL;
-    configdocument["DBUSER"] = DBUSER;
-    configdocument["DBPASSWORD"] = DBPASSWORD;
+
+    switch (LOGLEVEL) {
+    case dpp::ll_trace:
+        configdocument["LOGLEVEL"] = "trace";
+        break;
+    case dpp::ll_debug:
+        configdocument["LOGLEVEL"] = "debug";
+        break;
+    case dpp::ll_info:
+        configdocument["LOGLEVEL"] = "info";
+        break;
+    case dpp::ll_warning:
+        configdocument["LOGLEVEL"] = "warning";
+        break;
+    case dpp::ll_error:
+        configdocument["LOGLEVEL"] = "error";
+        break;
+    default:
+        configdocument["LOGLEVEL"] = "critical";
+        break;
+    }
+    
+    configdocument["CLEAR_PREVIOUS_COMMAND"] = CLCOMMAND;
 
     std::ofstream configFile("config.json");
     if (configFile.is_open()) {
diff --git a/src/AsyncDownloadManager.cpp b/src/Utils/AsyncDownloadManager.cpp
similarity index 85%
rename from src/AsyncDownloadManager.cpp
rename to src/Utils/AsyncDownloadManager.cpp
index a9bd593..57dc6ed 100644
--- a/src/AsyncDownloadManager.cpp
+++ b/src/Utils/AsyncDownloadManager.cpp
@@ -1,4 +1,4 @@
-#include <AsyncDownloadManager.hpp>
+#include <Utils/AsyncDownloadManager.hpp>
 #include <sstream>
 #include "Utils/ConsoleUtils.hpp"
 #include "Settings/SettingsManager.hpp"
@@ -8,7 +8,6 @@
 #include <memory>
 
 namespace bumbleBee {
-
 void AsyncDownloadManager::enqueueAsyncDL(std::pair<std::string, dpp::message> query) {
     std::lock_guard<std::mutex> lock(dlQueueMutex);
     downloadQueue.push(query);
@@ -39,7 +38,7 @@ void AsyncDownloadManager::downloadWorker() {
         cluster->log(dpp::ll_info, "AsyncDownloadManager: " + query + " accepted.");
 
         std::queue<std::string> ids =
-            ConsoleUtils::getResultFromCommand(settingsManager::YTDLP_CMD +
+            ConsoleUtils::getResultFromCommand(settingsManager::getYTDLP_CMD() +
             " --default-search ytsearch --flat-playlist --skip-download --quiet --ignore-errors --print id " + query);
 
         if (ids.size() >= 2) {
@@ -53,18 +52,18 @@ void AsyncDownloadManager::downloadWorker() {
                 enqueue(std::make_pair("https://youtu.be/" + ids.front(), oRes));
                 ids.pop();
             }
-            break;
+            continue;
         }
 
         std::queue<std::string> urls =
-            ConsoleUtils::getResultFromCommand(settingsManager::YTDLP_CMD +
+            ConsoleUtils::getResultFromCommand(settingsManager::getYTDLP_CMD() +
             " -f ba* --print urls https://youtu.be/" + ids.front());
 
         cluster->log(dpp::ll_debug, "url: " + urls.front());
 
         FILE* stream;
 
-        musicQueue->enqueue(std::make_shared<MusicQueueElement>(oRes, ids.front(), urls.front(), stream));
+        // musicQueue->enqueue(std::make_shared<MusicQueueElement>(oRes, ids.front(), urls.front(), stream));
 
         std::string downloadID = ids.front();
 
@@ -76,12 +75,10 @@ void AsyncDownloadManager::downloadWorker() {
 
             cluster->log(dpp::ll_info, "Thread id: " + tid.str() + ": " + downloadID + " accepted.");
 
-            std::string command = std::string("./streamAndDownload.sh " + settingsManager::YTDLP_CMD + " " + downloadID + " " + settingsManager::FFMPEG_CMD);
+            std::string command = std::string("./streamOpus.sh " + settingsManager::getYTDLP_CMD() + " " + downloadID + " " + settingsManager::getFFMPEG_CMD());
             stream = popen(command.c_str(), "r");
-            pclose(stream);
-            stream = NULL;
-            
-            cluster->log(dpp::ll_info, "Thread id: " + tid.str() + ": " + downloadID + " download complete.");
+
+            cluster->log(dpp::ll_info, "Thread id: " + tid.str() + " Opened stream: " + downloadID);
         });
         th.detach();
     }
diff --git a/src/main.cpp b/src/main.cpp
index 629bff2..b2ffd91 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,18 +1,8 @@
 #include <iostream>
 #include <BumbleBee.hpp>
-#include <AsyncDownloadManager.hpp>
 #include <thread>
 
 int main() {
     bumbleBee::BumbleBee bot;
-
-    bumbleBee::AsyncDownloadManager& manager = bumbleBee::AsyncDownloadManager::getInstance(5, bot.cluster, bot.queue);
-    manager.enqueue(std::make_pair("https://music.youtube.com/watch?v=4NnqIu_v1QA&si=buZP2UwzQtJLENmb", nullptr));
-
-    std::thread th([](){sleep(60);});
-    th.join();
-    manager.stop();
-
-    std::cout << "\n\n\n\n\nend\n\n\n\n\n\n\n";
-    //bot.start();
+    bot.start();
 }
\ No newline at end of file
diff --git a/streamAndDownload.sh b/streamAndDownload.sh
deleted file mode 100755
index ae5cef7..0000000
--- a/streamAndDownload.sh
+++ /dev/null
@@ -1,8 +0,0 @@
-#!/bin/bash
-
-YTDLP_CMD=$1
-DOWNLOAD_ID=$2
-FFMPEG_CMD=$3
-
-$YTDLP_CMD -o - --quiet --ignore-errors -f bestaudio https://youtu.be/$DOWNLOAD_ID | \
-$FFMPEG_CMD -i - -hide_banner -ar 48000 -ac 2 -c:a libopus -f ogg -
\ No newline at end of file
diff --git a/streamOpus.sh b/streamOpus.sh
new file mode 100755
index 0000000..7d3078b
--- /dev/null
+++ b/streamOpus.sh
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+YTDLP_CMD=$1
+FFMPEG_CMD=$2
+URL=$3
+
+$YTDLP_CMD -o - --quiet --ignore-errors -f bestaudio $URL | \
+$FFMPEG_CMD -hwaccel vaapi -i - -hide_banner -c:a copy -f opus - || \
+$YTDLP_CMD -o - --quiet --ignore-errors -f bestaudio $URL | \
+$FFMPEG_CMD -hwaccel vaapi -i - -hide_banner -f opus -c:a libopus -b:a 128k -ar 48000 -ac 2 -
+
+#  -loglevel quiet
\ No newline at end of file
diff --git a/test.ogg b/test.ogg
deleted file mode 100644
index e69de29..0000000