V.help : To show all commands.
V.invite : To add/invite the bot to your server.
V.leave : Leave The Voice Channel!.
V.loop : Toggle music loop.
V.lyrics : Get lyrics for the currently playing song.
V.nowplaying : To show the music which is currently playing in this server.
V.pause : To pause the current music in the server.
V.play : To play songs :D.
V.playlist : To play songs :D.
V.queue : To show the server songs queue.
V.remove : Remove song from the queue.
V.resume : To resume the paused music.
V.search : To search songs :D.
V.shuffle : Shuffle queue.
V.skip : To skip the current music.
V.skipto : Skip to the selected queue number.
V.stop : To stop the music and clearing the queue.
V.volume : To change the server song queue volume.
V.Live : you can use V.live <#channel-id> to start youtube together with full quality