diff --git a/Dockerfile b/Dockerfile
new file mode 100644
index 0000000..67fd379
--- /dev/null
+++ b/Dockerfile
@@ -0,0 +1 @@
+FROM alpine
diff --git a/include/Audio/MusicPlayManager.hpp b/include/Audio/MusicPlayManager.hpp
index da8896d..497076c 100644
--- a/include/Audio/MusicPlayManager.hpp
+++ b/include/Audio/MusicPlayManager.hpp
@@ -8,13 +8,19 @@
 namespace bumbleBee {
 class MusicPlayManager {
 public:
-    MusicPlayManager(std::shared_ptr<dpp::cluster> cluster) {
-        this->cluster = cluster;
-        this->queue = std::make_unique<MusicQueue>();
+    MusicPlayManager(std::shared_ptr<dpp::cluster> cluster, std::vector<dpp::snowflake> GIDs) :
+        cluster(cluster), GIDs(GIDs) {
+        queueMap = std::unordered_map<dpp::snowflake, std::shared_ptr<MusicQueue>>();
+        queueEmptyMutex = std::unordered_map<dpp::snowflake, std::shared_ptr<std::mutex>>();
 
         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);});
+
+        for (auto GID : GIDs) {
+            queueMap[GID] = std::make_shared<MusicQueue>();
+            queueEmptyMutex[GID] = std::make_shared<std::mutex>();
+        }
     }
 
     /**
@@ -33,18 +39,31 @@ public:
     **/
     void on_voice_client_disconnect(const dpp::voice_client_disconnect_t& event);
 
-    void queue_music(const std::shared_ptr<MusicQueueElement> music);
+    void play(dpp::discord_voice_client* client);
+
+    void queue_music(const dpp::snowflake guildId, const std::shared_ptr<MusicQueueElement> music);
+
+    void clear(const dpp::snowflake guildId);
+    std::shared_ptr<MusicQueueElement> remove(const dpp::snowflake guildId, dpp::discord_voice_client* client, int index);
+    int size(const dpp::snowflake guildId);
+
+    void setRepeat(const dpp::snowflake guildId, const bool value);
+    bool getRepeat(const dpp::snowflake guildId);
+
+    std::list<MusicQueueElement> getQueue(const dpp::snowflake guildId);
+    MusicQueueElement getNowPlaying(const dpp::snowflake guildId);
 
     std::condition_variable queuedCondition;
 private:
     std::shared_ptr<dpp::cluster> cluster;
+
+    std::vector<dpp::snowflake> GIDs;
     /// @brief 음악 큐
-    std::unique_ptr<MusicQueue> queue;
+    std::unordered_map<dpp::snowflake, std::shared_ptr<MusicQueue>> queueMap;
 
-    std::mutex queueEmptyMutex;
+    std::unordered_map<dpp::snowflake, std::shared_ptr<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);
+    void send_audio_to_voice(const MusicQueueElement& music, dpp::discord_voice_client* client);
 };
 }
 #endif
\ No newline at end of file
diff --git a/include/BumbleBee.hpp b/include/BumbleBee.hpp
index 8267f92..d0c099a 100644
--- a/include/BumbleBee.hpp
+++ b/include/BumbleBee.hpp
@@ -41,6 +41,8 @@ public:
 
     /// @brief DPP 기본 클러스터 객체
     std::shared_ptr<dpp::cluster> cluster;
+    /// @brief guild id 배열
+    std::vector<dpp::snowflake> GIDs;
 private:
     /// @brief Command 목록
     std::unordered_map<std::string, std::shared_ptr<commands::ICommand>> commands;
diff --git a/include/Commands/BumbleBeeCommand.hpp b/include/Commands/BumbleBeeCommand.hpp
index bf16d36..b095fe3 100644
--- a/include/Commands/BumbleBeeCommand.hpp
+++ b/include/Commands/BumbleBeeCommand.hpp
@@ -62,7 +62,7 @@ protected: \
 _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(Queue,   q,          "노래 예약 큐를 확인합니다")
 _DECLARE_BUMBLEBEE_COMMAND(Repeat,  r,          "반복을 켜거나 끕니다")
 _DECLARE_BUMBLEBEE_COMMAND(Skip,    s,          "현재 재생중인 곡을 스킵합니다")
 _DECLARE_BUMBLEBEE_COMMAND(Shuffle, shuffle,    "큐를 섞습니다")
diff --git a/include/Queue/MusicQueue.hpp b/include/Queue/MusicQueue.hpp
index 6adaa3c..509349b 100644
--- a/include/Queue/MusicQueue.hpp
+++ b/include/Queue/MusicQueue.hpp
@@ -15,20 +15,25 @@ public:
     MusicQueue() {
         queue = std::list<std::shared_ptr<MusicQueueElement>>();
         currentPlayingPosition = queue.begin();
-        repeat = false;
+        repeat = true;
     }
     void                                                    enqueue(std::shared_ptr<MusicQueueElement> Element);
     std::shared_ptr<MusicQueueElement>                      dequeue();
     std::list<std::shared_ptr<MusicQueueElement>>::iterator findById(std::string id);
+    std::list<std::shared_ptr<MusicQueueElement>>::iterator findByIndex(int index);
     std::shared_ptr<MusicQueueElement>                      nowplaying();
     std::list<std::shared_ptr<MusicQueueElement>>::iterator next_music();
     std::shared_ptr<MusicQueueElement>                      jump_to_index(int idx);
+    void                                                    clear();
+    std::shared_ptr<MusicQueueElement>                      erase(std::list<std::shared_ptr<MusicQueueElement>>::iterator it);
+    std::list<std::shared_ptr<MusicQueueElement>>           getQueueCopy();
+    int                                                     size();
 
     bool repeat;
 
     std::list<std::shared_ptr<MusicQueueElement>>::iterator currentPlayingPosition;
-    std::list<std::shared_ptr<MusicQueueElement>> queue;
 private:
+    std::list<std::shared_ptr<MusicQueueElement>> queue;
     std::mutex queueMutex;
 };
 }
diff --git a/include/Queue/MusicQueueElement.hpp b/include/Queue/MusicQueueElement.hpp
index 6de98f3..20646b4 100644
--- a/include/Queue/MusicQueueElement.hpp
+++ b/include/Queue/MusicQueueElement.hpp
@@ -10,12 +10,14 @@ public:
     MusicQueueElement(
         std::string id,
         std::string query,
-        dpp::user issuingUser) :
-        id(id), query(query), issuingUser(issuingUser) {}
+        dpp::user issuingUser,
+        dpp::embed embed) :
+        id(id), query(query), issuingUser(issuingUser), embed(embed) {}
 
     const std::string id;
     const std::string query;
     const dpp::user issuingUser;
+    const dpp::embed embed;
 };
 }
 #endif
\ No newline at end of file
diff --git a/include/Settings/SettingsManager.hpp b/include/Settings/SettingsManager.hpp
index 81b2220..d6dc8be 100644
--- a/include/Settings/SettingsManager.hpp
+++ b/include/Settings/SettingsManager.hpp
@@ -12,7 +12,7 @@ public:\
 
 namespace bumbleBee {
 /// @brief 모든 설정은 이 객체를 통해 스태틱하게 제공됨.
-class settingsManager {
+class SettingsManager {
     /// @brief 봇 토큰
     _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(std::string, TOKEN, TOKEN)
     /// @brief yt-dlp 실행 명령어
@@ -22,7 +22,7 @@ class settingsManager {
     /// @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)
+    _DECLARE_DEFAULT_ACCESSER_STATIC_VARIABLE(bool, REGISTER_COMMAND, REGISTER_COMMAND)
 public:
     /// @brief 설정 로드하기, 설정은 이 load()를 부르기 전까지는 적절하지 못한 값을 가지고 있음.
     /// @return 로드 성공 시 true, 실패 시 false 반환.
diff --git a/include/Utils/VersionsCheckUtils.hpp b/include/Utils/VersionsCheckUtils.hpp
index ee60728..26cacdb 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::getFFMPEG_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' ||
@@ -40,9 +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");
+            SettingsManager::setFFMPEG_CMD("./ffmpeg/bin/ffmpeg");
         }
-        result = ConsoleUtils::getResultFromCommand(settingsManager::getYTDLP_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) ||
@@ -59,7 +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");
+            SettingsManager::setYTDLP_CMD("./yt-dlp");
         }
     }
 
diff --git a/src/Audio/MusicPlayManager.cpp b/src/Audio/MusicPlayManager.cpp
index 0a4113e..6d02ac0 100644
--- a/src/Audio/MusicPlayManager.cpp
+++ b/src/Audio/MusicPlayManager.cpp
@@ -1,23 +1,97 @@
 #include <Audio/MusicPlayManager.hpp>
 #include <ogg/ogg.h>
 #include <oggz/oggz.h>
+#include <algorithm>
 
 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;
-    });
+    play(event.voice_client);
+}
 
-    auto np = queue->nowplaying();
-    auto music = *np;
-    
+void MusicPlayManager::on_voice_track_marker(const dpp::voice_track_marker_t& event) {
+    play(event.voice_client);
+}
+
+void MusicPlayManager::on_voice_client_disconnect(const dpp::voice_client_disconnect_t& event) { // 안 불리는 듯?
+    dpp::snowflake gid = dpp::find_channel(event.voice_client->channel_id)->guild_id;
+    event.voice_client->stop_audio();
+    queueMap[gid]->clear();
+}
+
+void MusicPlayManager::play(dpp::discord_voice_client* client) {
+    std::thread t([&](dpp::discord_voice_client* client){
+        dpp::snowflake gid = dpp::find_channel(client->channel_id)->guild_id;
+
+        std::unique_lock<std::mutex> queueEmptyLock(*queueEmptyMutex[gid]);
+        queuedCondition.wait(queueEmptyLock, [&]{ return queueMap[gid]->size() != 0; });
+
+        auto np = queueMap[gid]->next_music();
+        auto music = **np;
+        send_audio_to_voice(music, client);
+    }, client);
+    t.detach();
+}
+
+void MusicPlayManager::queue_music(const dpp::snowflake guildId, const std::shared_ptr<MusicQueueElement> music) {
+    queueMap[guildId]->enqueue(music);
+}
+
+void MusicPlayManager::clear(const dpp::snowflake guildId) {
+    queueMap[guildId]->clear();
+}
+std::shared_ptr<MusicQueueElement> MusicPlayManager::remove(const dpp::snowflake guildId, dpp::discord_voice_client* client, int index) {
+    auto queue = queueMap[guildId];
+    auto foundIterator = queue->findByIndex(index);
+
+    if (queue->currentPlayingPosition == foundIterator) {
+        auto removed = queue->erase(queue->findByIndex(0));
+        if (client == nullptr)
+            return removed;
+        client->pause_audio(true);
+        client->stop_audio();
+        client->pause_audio(false);
+        client->insert_marker("end");
+        return removed;
+    }
+
+    return queue->erase(queue->findByIndex(index));
+}
+int MusicPlayManager::size(const dpp::snowflake guildId) {
+    return queueMap[guildId]->size();
+}
+void MusicPlayManager::setRepeat(const dpp::snowflake guildId, const bool value) {
+    queueMap[guildId]->repeat = value;
+}
+
+bool MusicPlayManager::getRepeat(const dpp::snowflake guildId) {
+    return queueMap[guildId]->repeat;
+}
+
+std::list<MusicQueueElement> MusicPlayManager::getQueue(const dpp::snowflake guildId){
+    std::list<std::shared_ptr<MusicQueueElement>> queue = queueMap[guildId]->getQueueCopy();
+    std::list<MusicQueueElement> returnValue;
+
+    for (auto iter = queue.begin(); iter != queue.end(); iter++)
+        returnValue.push_back(**iter);
+
+    return returnValue;
+}
+
+MusicQueueElement MusicPlayManager::getNowPlaying(const dpp::snowflake guildId) {
+    std::shared_ptr<MusicQueueElement> nowplaying = queueMap[guildId]->nowplaying();
+    MusicQueueElement returnValue(*nowplaying);
+    return returnValue;
+}
+
+void MusicPlayManager::send_audio_to_voice(const MusicQueueElement& music, dpp::discord_voice_client* client) {
     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);
 
+    client->stop_audio();
+
     oggz_set_read_callback(
         og, -1,
         [](OGGZ *oggz, oggz_packet *packet, long serialno, void *user_data) {
@@ -27,10 +101,10 @@ void MusicPlayManager::on_voice_ready(const dpp::voice_ready_t& event) {
 
             return 0;
         },
-        (void *)event.voice_client
+        (void *)client
     );
 
-    while (event.voice_client && !event.voice_client->terminating) {
+    while (client && !client->terminating) {
         static const constexpr long CHUNK_READ = BUFSIZ * 2;
 
         const long read_bytes = oggz_read(og, CHUNK_READ);
@@ -41,28 +115,11 @@ void MusicPlayManager::on_voice_ready(const dpp::voice_ready_t& event) {
         }
     }
 
-    //event.from->creator->log(dpp::ll_info, std::string("Sending ") + music.id + " complete!");
+    client->creator->log(dpp::ll_info, "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) {
-    
+    client->insert_marker();
 }
 }
 
diff --git a/src/BumbleBee.cpp b/src/BumbleBee.cpp
index 2b236bd..6c17856 100644
--- a/src/BumbleBee.cpp
+++ b/src/BumbleBee.cpp
@@ -7,15 +7,15 @@
 
 namespace bumbleBee{
 BumbleBee::BumbleBee() {
-    if (!settingsManager::load()) {
+    if (!SettingsManager::load()) {
         std::cout << "Please configure confing.json" << std::endl;
         exit(1);
     }
 
-    cluster = std::make_shared<dpp::cluster>(settingsManager::getTOKEN());
+    cluster = std::make_shared<dpp::cluster>(SettingsManager::getTOKEN());
 
     cluster->on_log([](const dpp::log_t& event) {
-		if (event.severity >= settingsManager::getLOGLEVEL()) {
+		if (event.severity >= SettingsManager::getLOGLEVEL()) {
 			std::cout << "[" << dpp::utility::current_date_time() << "] " << dpp::utility::loglevel(event.severity) << ": " << event.message << "\n";
 		}
 	});
@@ -24,22 +24,6 @@ BumbleBee::BumbleBee() {
 
     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); }
@@ -56,7 +40,16 @@ void BumbleBee::on_slashcommand(const dpp::slashcommand_t &event) {
 }
 
 void BumbleBee::on_ready(const dpp::ready_t &event) {
-    cluster->log(dpp::loglevel::ll_info, "Bot ready.");
+    GIDs = event.guilds;
+    musicManager = std::make_shared<MusicPlayManager>(cluster, GIDs);
+
+    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);
+    commands["shuffle"] = std::make_shared<commands::Shuffle> (cluster->cluster_id, musicManager);
     
     if (event.guilds.size() == 0) {
         cluster->log(dpp::loglevel::ll_info, "Bot is not on any server! Please invite this bot to any server.");
@@ -64,18 +57,24 @@ void BumbleBee::on_ready(const dpp::ready_t &event) {
     }
     
     if (dpp::run_once<struct register_bot_commands>()) {
-        if (settingsManager::getCLCOMMAND()) {
+        if (SettingsManager::getREGISTER_COMMAND()) {
             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);
+
+            cluster->global_bulk_command_create({
+                *commands["d"],
+                *commands["l"],
+                *commands["p"],
+                *commands["q"],
+                *commands["r"],
+                *commands["s"],
+                *commands["shuffle"]
+            }, [&](const dpp::confirmation_callback_t &t){
+                cluster->log(dpp::loglevel::ll_info, "Command created.");
+                SettingsManager::setREGISTER_COMMAND(false);
             });
-            return;
         }
-        for (auto command : commands)
-            cluster->global_command_create(*command.second);
     }
-    cluster->log(dpp::loglevel::ll_info, "Command created.");
+
+    cluster->log(dpp::loglevel::ll_info, "Bot ready.");
 }
 }
\ No newline at end of file
diff --git a/src/Commands/Delete.cpp b/src/Commands/Delete.cpp
index 6ac09da..c6b511f 100644
--- a/src/Commands/Delete.cpp
+++ b/src/Commands/Delete.cpp
@@ -1,11 +1,39 @@
 #include <Commands/BumbleBeeCommand.hpp>
+#include <format>
 
 namespace bumbleBee::commands {
     void Delete::execute(const dpp::slashcommand_t &event) {
-        event.edit_original_response(dpp::message("delete"));
+        if (std::holds_alternative<std::monostate>(event.get_parameter("pos"))) // 여기 들어올 일 있나?
+        {
+            event.edit_original_response(dpp::message("위치를 제공하여 주십시오"));
+            event.reply("");
+            return;
+        }
+        int pos = std::get<std::int64_t>(event.get_parameter("pos"));
+
+        if (pos < 0 || pos > musicManager->size(event.command.guild_id))
+        {
+
+            event.edit_original_response(dpp::message(std::string("이상한 인덱스 위치. Pos :") + std::to_string(pos)));
+            return;
+        }
+
+        dpp::voiceconn* v = event.from->get_voice(event.command.guild_id);
+
+        std::shared_ptr<MusicQueueElement> removed;
+        
+        if (!v) // v-> 로 nullptr을 참조하면 안 되므로.
+            removed = musicManager->remove(event.command.guild_id, nullptr, pos);
+        else
+            removed = musicManager->remove(event.command.guild_id, v->voiceclient, pos);
+
+        dpp::message msg("다음 항목을 큐에서 삭제했습니다!:");
+        msg.add_embed(removed->embed);
+
+        event.edit_original_response(msg);
     }
 
     void Delete::init() {
-        aliases.push_back("delete");
+        add_option(dpp::command_option(dpp::co_integer, "pos", "지울 위치(위치는 1부터 시작, 현재 재생곡은 0)", true));
     }
 }
\ No newline at end of file
diff --git a/src/Commands/Leave.cpp b/src/Commands/Leave.cpp
index d315e16..2b161dd 100644
--- a/src/Commands/Leave.cpp
+++ b/src/Commands/Leave.cpp
@@ -1,8 +1,17 @@
 #include <Commands/BumbleBeeCommand.hpp>
 
 namespace bumbleBee::commands {
-    void Leave::execute(const dpp::slashcommand_t &event) {
-        event.edit_original_response(dpp::message("leave"));
+    void Leave::execute(const dpp::slashcommand_t &event) { // 왜 read loop ended가 뜨는가...
+        dpp::voiceconn* v = event.from->get_voice(event.command.guild_id);
+
+        if (!v || !v->voiceclient || !v->voiceclient->is_ready()) {
+            return;
+        }
+        musicManager->clear(event.command.guild_id);
+        
+        event.from->disconnect_voice(event.command.guild_id);
+
+        event.edit_original_response(dpp::message("음성 채팅방을 떠납니다!"));
     }
 
     void Leave::init() {
diff --git a/src/Commands/Play.cpp b/src/Commands/Play.cpp
index e914c2f..bdaf7fc 100644
--- a/src/Commands/Play.cpp
+++ b/src/Commands/Play.cpp
@@ -1,5 +1,7 @@
 #include <Commands/BumbleBeeCommand.hpp>
 #include <Utils/ConsoleUtils.hpp>
+#include <Settings/SettingsManager.hpp>
+#include <dpp/nlohmann/json.hpp>
 #include <variant>
 
 namespace bumbleBee::commands {
@@ -10,7 +12,7 @@ namespace bumbleBee::commands {
             event.edit_original_response(dpp::message("GUILD NOT FOUND!! WHAT IS THIS SORCERY??"));
             return;
         }
-        if (std::holds_alternative<std::monostate>(event.get_parameter("query")))
+        if (std::holds_alternative<std::monostate>(event.get_parameter("query"))) // 이거 필요한가???
         {
             event.reply("노래를 재생하려면 검색어 또는 링크를 입력해 주십시오.");
             return;
@@ -21,11 +23,18 @@ namespace bumbleBee::commands {
         }
         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<std::string> ids = ConsoleUtils::getResultFromCommand(SettingsManager::getYTDLP_CMD() + " --default-search ytsearch --flat-playlist --skip-download --quiet --ignore-errors --print id " + query);
 
-        std::queue<MusicQueueElement> musics;
+        std::queue<std::shared_ptr<MusicQueueElement>> musics;
 
-        dpp::message origMsg;
+        int initialQueuedCount = musicManager->size(event.command.guild_id);
+
+        dpp::message msg;
+
+        if (musicManager->size(event.command.guild_id) == 0)
+            msg.content = "다음 곡을 재생합니다:";
+        else
+            msg.content = "큐에 다음 곡을 추가했습니다:";
 
         if (ids.size() >= 2) {
             event.from->creator->log(dpp::ll_info, "Playlist detected.");
@@ -34,34 +43,122 @@ namespace bumbleBee::commands {
                     ids.pop();
                     continue;
                 }
-                event.from->creator->log(dpp::ll_info, "Enqueuing " + ids.front());
 
-                MusicQueueElement music(
-                    ids.front(),
-                    query,
-                    event.command.usr
-                );
+                FILE* file = popen((SettingsManager::getYTDLP_CMD() + " --default-search ytsearch --flat-playlist --skip-download --quiet --ignore-errors -J http://youtu.be/" + ids.front()).c_str(), "r");
+            
+                std::ostringstream oss;
+                char buffer[1024];
+                size_t bytesRead;
+                
+                while ((bytesRead = fread(buffer, 1, sizeof(buffer), file)) > 0) {
+                    oss.write(buffer, bytesRead);
+                }
+                fclose(file);
 
-                musics.push(music);
+                std::istringstream iss(oss.str());
+                nlohmann::json videoDataJson;
+                iss >> videoDataJson;
+
+                // std::string dump = videoDataJson.dump(4);
+
+                time_t SongLength = int(videoDataJson["duration"]);
+                char SongLengthStr[10];
+                tm t;
+                t.tm_mday = SongLength / 86400;
+                t.tm_hour = (SongLength % 86400)/3600;
+                t.tm_min = (SongLength % 3600)/60;
+                t.tm_sec = SongLength%60;
+                strftime(SongLengthStr, sizeof(SongLengthStr), "%X", &t);
+
+                dpp::embed embed = dpp::embed()
+                    .set_color(dpp::colors::sti_blue)
+                    .set_title(std::string(videoDataJson["title"]))
+                    .set_description(std::string(videoDataJson["uploader"]))
+                    .set_url(std::string(videoDataJson["webpage_url"]))
+                    .set_image(std::string(videoDataJson["thumbnail"]))
+                    .add_field(
+                        "길이",
+                        SongLengthStr,
+                        true
+                    );
+
+                musics.push(std::make_shared<MusicQueueElement>(ids.front(), query, event.command.usr, embed));
                 ids.pop();
             }
         }
 
-        MusicQueueElement music(
-            ids.front(),
-            query,
-            event.command.usr
-        );
-        musics.push(music);
+        if (!ids.empty()) {
+            FILE* file = popen((SettingsManager::getYTDLP_CMD() + " --default-search ytsearch --flat-playlist --skip-download --quiet --ignore-errors -J http://youtu.be/" + ids.front()).c_str(), "r");
+            
+            std::ostringstream oss;
+            char buffer[1024];
+            size_t bytesRead;
+            
+            while ((bytesRead = fread(buffer, 1, sizeof(buffer), file)) > 0) {
+                oss.write(buffer, bytesRead);
+            }
+            fclose(file);
 
-        while (!musics.empty()) {
-            auto element = musics.front();
-            musicManager->queue_music(std::make_shared<MusicQueueElement>(element));
-            musics.pop();
+            std::istringstream iss(oss.str());
+            nlohmann::json videoDataJson;
+            iss >> videoDataJson;
+
+            time_t SongLength = int(videoDataJson["duration"]);
+            char SongLengthStr[10];
+            tm t;
+            t.tm_mday = SongLength / 86400;
+            t.tm_hour = (SongLength % 86400)/3600;
+            t.tm_min = (SongLength % 3600)/60;
+            t.tm_sec = SongLength%60;
+            strftime(SongLengthStr, sizeof(SongLengthStr), "%X", &t);
+
+            dpp::embed embed = dpp::embed()
+                .set_color(dpp::colors::sti_blue)
+                .set_title(std::string(videoDataJson["title"]))
+                .set_description(std::string(videoDataJson["uploader"]))
+                .set_url(std::string(videoDataJson["webpage_url"]))
+                .set_image(std::string(videoDataJson["thumbnail"]))
+                .add_field(
+                    "길이",
+                    SongLengthStr,
+                    true
+                );
+
+            musics.push(std::make_shared<MusicQueueElement>(ids.front(), query, event.command.usr, embed));
         }
 
-        event.edit_original_response(dpp::message("play"));
-        musicManager->queuedCondition.notify_one();
+        if (musics.size() == 1) {
+            event.from->creator->log(dpp::ll_info, "Enqueuing " + musics.front()->id);
+            musicManager->queue_music(event.command.guild_id, musics.front());
+            msg.add_embed(musics.front()->embed);
+            musics.pop();
+            
+            event.edit_original_response(msg);
+            musicManager->queuedCondition.notify_all();
+        }
+        else if (musics.size() > 1) {
+            event.from->creator->log(dpp::ll_info, "Enqueuing " + musics.front()->id);
+            musicManager->queue_music(event.command.guild_id, musics.front());
+            msg.add_embed(musics.front()->embed);
+            musics.pop();
+
+            event.edit_original_response(msg);
+            musicManager->queuedCondition.notify_all();
+
+            while (!musics.empty()) {
+                event.from->creator->log(dpp::ll_info, "Enqueuing " + musics.front()->id);
+                dpp::message followMsg(event.command.channel_id, "");
+
+                followMsg.add_embed(musics.front()->embed);
+                event.from->creator->message_create(followMsg); // 어차피 원래 메시지를 지정해서 수정할 것이기 때문에 먼저 팔로잉 메시지를 작성해도 상관없음.
+
+                musicManager->queue_music(event.command.guild_id, musics.front());
+                musics.pop();
+            }
+        }
+        else { // ??
+            event.from->creator->log(dpp::ll_error, "??? not queueed any music");
+        }
     }
 
     void Play::init() {
diff --git a/src/Commands/Queue.cpp b/src/Commands/Queue.cpp
index 267241f..2329748 100644
--- a/src/Commands/Queue.cpp
+++ b/src/Commands/Queue.cpp
@@ -2,7 +2,31 @@
 
 namespace bumbleBee::commands {
     void Queue::execute(const dpp::slashcommand_t &event) {
-        event.edit_original_response(dpp::message("queue"));
+        auto queue = musicManager->getQueue(event.command.guild_id);
+        auto nowplaying = musicManager->getNowPlaying(event.command.guild_id);
+
+        dpp::message msg;
+        dpp::embed embed;
+
+        if (queue.size() == 0) {
+            embed
+                .set_title("큐가 비었습니다!")
+                .set_timestamp(time(0));
+            msg.add_embed(embed);
+            event.edit_original_response(msg);
+            return;
+        }
+        msg.content = "지금 재생 중:";
+        msg.add_embed(nowplaying.embed);
+
+        for (auto iter = queue.begin(); iter != queue.end(); iter++) {
+            dpp::message followMsg(event.command.channel_id, "");
+
+            followMsg.add_embed(iter->embed);
+            event.from->creator->message_create(followMsg); // 어차피 원래 메시지를 지정해서 수정할 것이기 때문에 먼저 팔로잉 메시지를 작성해도 상관없음.
+        }
+        
+        event.edit_original_response(msg);
     }
 
     void Queue::init() {
diff --git a/src/Commands/Repeat.cpp b/src/Commands/Repeat.cpp
index c151dfb..17fed10 100644
--- a/src/Commands/Repeat.cpp
+++ b/src/Commands/Repeat.cpp
@@ -2,9 +2,15 @@
 
 namespace bumbleBee::commands {
     void Repeat::execute(const dpp::slashcommand_t &event) {
-        event.edit_original_response(dpp::message("repeat"));
+        if (musicManager->getRepeat(event.command.guild_id)) {
+            event.edit_original_response(dpp::message("반복을 껐습니다."));
+            musicManager->setRepeat(event.command.guild_id, false);
+        }
+        else {
+            event.edit_original_response(dpp::message("반복을 켰습니다."));
+            musicManager->setRepeat(event.command.guild_id, true);
+        }
     }
 
-    void Repeat::init() {
-    }
+    void Repeat::init() {}
 }
\ No newline at end of file
diff --git a/src/Commands/Skip.cpp b/src/Commands/Skip.cpp
index 1d0e3c8..65bb8c6 100644
--- a/src/Commands/Skip.cpp
+++ b/src/Commands/Skip.cpp
@@ -2,7 +2,17 @@
 
 namespace bumbleBee::commands {
     void Skip::execute(const dpp::slashcommand_t &event) {
-        event.edit_original_response(dpp::message("skip"));
+        dpp::voiceconn* v = event.from->get_voice(event.command.guild_id);
+
+        if (!v || !v->voiceclient || !v->voiceclient->is_ready()) {
+            return;
+        }
+        v->voiceclient->pause_audio(true);
+        v->voiceclient->stop_audio();
+        v->voiceclient->pause_audio(false);
+        v->voiceclient->insert_marker("end");
+
+        event.edit_original_response(dpp::message("스킵했습니다!"));
     }
 
     void Skip::init() {
diff --git a/src/Queue/MusicQueue.cpp b/src/Queue/MusicQueue.cpp
index f56da13..bdd6934 100644
--- a/src/Queue/MusicQueue.cpp
+++ b/src/Queue/MusicQueue.cpp
@@ -1,5 +1,6 @@
 #include <Queue/MusicQueue.hpp>
 #include <iostream>
+#include <algorithm>
 
 namespace bumbleBee {
 
@@ -25,14 +26,23 @@ std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::findById(std
     }
     return queue.end();
 }
+std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::findByIndex(int index) {
+    std::lock_guard<std::mutex> lock(queueMutex);
+    if (index < 0)
+        return queue.end();
+    if (index == 0)
+        return currentPlayingPosition;
+    return std::next(queue.begin(), index - 1);
+}
 std::shared_ptr<MusicQueueElement> MusicQueue::nowplaying() {
+    std::lock_guard<std::mutex> lock(queueMutex);
     return *currentPlayingPosition;
 }
 std::list<std::shared_ptr<MusicQueueElement>>::iterator MusicQueue::next_music() {
     std::lock_guard<std::mutex> lock(queueMutex);
-    if (currentPlayingPosition == std::prev(queue.end()) || !repeat)
+    if (currentPlayingPosition == --queue.end() && !repeat)
         return queue.end();
-    if (currentPlayingPosition == std::prev(queue.end()) || repeat)
+    if (currentPlayingPosition == --queue.end() && repeat)
         currentPlayingPosition = queue.begin();
     else
         ++currentPlayingPosition;
@@ -49,4 +59,39 @@ std::shared_ptr<MusicQueueElement> MusicQueue::jump_to_index(int idx) {
     }
     return std::shared_ptr<MusicQueueElement>();
 }
+void MusicQueue::clear() {
+    std::lock_guard<std::mutex> lock(queueMutex);
+    queue.clear();
+    currentPlayingPosition = queue.begin();
+}
+std::shared_ptr<MusicQueueElement> MusicQueue::erase(std::list<std::shared_ptr<MusicQueueElement>>::iterator it) {
+    std::lock_guard<std::mutex> lock(queueMutex);
+    if (it == queue.end())
+        return nullptr;
+    
+    if (currentPlayingPosition == it) {
+        auto removedValue = *it;
+        auto after = queue.erase(currentPlayingPosition++);
+        if (after == queue.end())
+            currentPlayingPosition = --queue.end();
+        return removedValue;
+    }
+    else {
+        auto removedValue = *it;
+        queue.erase(it);
+        return removedValue;
+    }
+}
+std::list<std::shared_ptr<MusicQueueElement>> MusicQueue::getQueueCopy(){
+    std::lock_guard<std::mutex> lock(queueMutex);
+    std::list<std::shared_ptr<MusicQueueElement>> returnValue;
+
+    std::copy(queue.begin(), queue.end(), std::back_inserter(returnValue));
+
+    return returnValue; 
+}
+int MusicQueue::size() {
+    std::lock_guard<std::mutex> lock(queueMutex);
+    return queue.size();
+}
 }
diff --git a/src/Settings/SettingsManager.cpp b/src/Settings/SettingsManager.cpp
index 5f145dd..ac997d1 100644
--- a/src/Settings/SettingsManager.cpp
+++ b/src/Settings/SettingsManager.cpp
@@ -6,13 +6,13 @@
 
 namespace bumbleBee {
 
-std::string settingsManager::TOKEN = "";
-std::string settingsManager::YTDLP_CMD = "./yt-dlp";
-std::string settingsManager::FFMPEG_CMD = "./ffmpeg/bin/ffmpeg";
-dpp::loglevel settingsManager::LOGLEVEL = dpp::ll_debug;
-bool settingsManager::CLCOMMAND = false;
+std::string SettingsManager::TOKEN = "";
+std::string SettingsManager::YTDLP_CMD = "./yt-dlp";
+std::string SettingsManager::FFMPEG_CMD = "./ffmpeg/bin/ffmpeg";
+dpp::loglevel SettingsManager::LOGLEVEL = dpp::ll_debug;
+bool SettingsManager::REGISTER_COMMAND = false;
 
-bool settingsManager::validateToken() {
+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;
@@ -32,7 +32,7 @@ bool settingsManager::validateToken() {
         return true;
 }
 
-bool settingsManager::load() {
+bool SettingsManager::load() {
     nlohmann::json configdocument;
     try {
         std::ifstream configfile("config.json");
@@ -66,7 +66,7 @@ bool settingsManager::load() {
         else // 값이 병신같을때 기본값으로 ll_info 부여
             LOGLEVEL = dpp::ll_info;
 
-        CLCOMMAND = configdocument["CLEAR_PREVIOUS_COMMAND"];
+        REGISTER_COMMAND = configdocument["CLEAR_PREVIOUS_COMMAND"];
     }
     catch (const nlohmann::json::type_error& e) {
         saveToFile();
@@ -79,7 +79,7 @@ bool settingsManager::load() {
     return true;
 }
 
-void settingsManager::saveToFile() {
+void SettingsManager::saveToFile() {
     nlohmann::json configdocument;
 
     configdocument["TOKEN"] = TOKEN;
@@ -107,7 +107,7 @@ void settingsManager::saveToFile() {
         break;
     }
     
-    configdocument["CLEAR_PREVIOUS_COMMAND"] = CLCOMMAND;
+    configdocument["CLEAR_PREVIOUS_COMMAND"] = REGISTER_COMMAND;
 
     std::ofstream configFile("config.json");
     if (configFile.is_open()) {
diff --git a/src/Utils/AsyncDownloadManager.cpp b/src/Utils/AsyncDownloadManager.cpp
index 57dc6ed..056eff2 100644
--- a/src/Utils/AsyncDownloadManager.cpp
+++ b/src/Utils/AsyncDownloadManager.cpp
@@ -38,7 +38,7 @@ void AsyncDownloadManager::downloadWorker() {
         cluster->log(dpp::ll_info, "AsyncDownloadManager: " + query + " accepted.");
 
         std::queue<std::string> ids =
-            ConsoleUtils::getResultFromCommand(settingsManager::getYTDLP_CMD() +
+            ConsoleUtils::getResultFromCommand(SettingsManager::getYTDLP_CMD() +
             " --default-search ytsearch --flat-playlist --skip-download --quiet --ignore-errors --print id " + query);
 
         if (ids.size() >= 2) {
@@ -56,7 +56,7 @@ void AsyncDownloadManager::downloadWorker() {
         }
 
         std::queue<std::string> urls =
-            ConsoleUtils::getResultFromCommand(settingsManager::getYTDLP_CMD() +
+            ConsoleUtils::getResultFromCommand(SettingsManager::getYTDLP_CMD() +
             " -f ba* --print urls https://youtu.be/" + ids.front());
 
         cluster->log(dpp::ll_debug, "url: " + urls.front());
@@ -75,7 +75,7 @@ void AsyncDownloadManager::downloadWorker() {
 
             cluster->log(dpp::ll_info, "Thread id: " + tid.str() + ": " + downloadID + " accepted.");
 
-            std::string command = std::string("./streamOpus.sh " + settingsManager::getYTDLP_CMD() + " " + downloadID + " " + settingsManager::getFFMPEG_CMD());
+            std::string command = std::string("./streamOpus.sh " + SettingsManager::getYTDLP_CMD() + " " + downloadID + " " + SettingsManager::getFFMPEG_CMD());
             stream = popen(command.c_str(), "r");
 
             cluster->log(dpp::ll_info, "Thread id: " + tid.str() + " Opened stream: " + downloadID);
diff --git a/streamOpus.sh b/streamOpus.sh
index 7d3078b..8c99637 100755
--- a/streamOpus.sh
+++ b/streamOpus.sh
@@ -4,9 +4,9 @@ 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 -
+$YTDLP_CMD -o - --quiet --ignore-errors -f bestaudio $URL 2>/dev/null | \
+$FFMPEG_CMD -hwaccel vaapi -i - -loglevel quiet -hide_banner -c:a copy -f opus - || \
+$YTDLP_CMD -o - --quiet --ignore-errors -f bestaudio $URL 2>/dev/null | \
+$FFMPEG_CMD -hwaccel vaapi -i - -loglevel quiet -hide_banner -f opus -c:a libopus -b:a 128k -ar 48000 -ac 2 -
 
 #  -loglevel quiet
\ No newline at end of file