Я хочу добавить в своего дискорд бота функционал очереди

import asyncio
import discord
import youtube_dl
from discord.ext import commands
 
# Suppress noise about console usage from errors
youtube_dl.utils.bug_reports_message = lambda: ''
 
 
ytdl_format_options = {
    'format': 'bestaudio/best',
    'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
    'restrictfilenames': True,
    'noplaylist': True,
    'nocheckcertificate': True,
    'ignoreerrors': False,
    'logtostderr': False,
    'quiet': True,
    'no_warnings': True,
    'default_search': 'auto',
    'source_address': '0.0.0.0' # bind to ipv4 since ipv6 addresses cause issues sometimes
}
 
ffmpeg_options = {
    'options': '-vn'
}
 
ytdl = youtube_dl.YoutubeDL(ytdl_format_options)
 
 
class YTDLSource(discord.PCMVolumeTransformer):
    def __init__(self, source, *, data, volume=10):
        super().__init__(source, volume)
 
        self.data = data
 
        self.title = data.get('title')
        self.url = data.get('url')
 
    @classmethod
    async def from_url(cls, url, *, loop=None, stream=False):
        loop = loop or asyncio.get_event_loop()
        data = await loop.run_in_executor(None, lambda: ytdl.extract_info(url, download=not stream))
 
        if 'entries' in data:
            # take first item from a playlist
            data = data['entries'][0]
 
        filename = data['url'] if stream else ytdl.prepare_filename(data)
        return cls(discord.FFmpegPCMAudio(filename, **ffmpeg_options), data=data)
 
 
class Music(commands.Cog):
    def __init__(self, bot):
        self.bot = bot
 
    @commands.command()
    async def join(self, ctx, *, channel: discord.VoiceChannel):
 
        if ctx.voice_client is not None:
            return await ctx.voice_client.move_to(channel)
 
        await channel.connect()
 
    @commands.command()
    async def yt(self, ctx, *, query):
 
        source = discord.PCMVolumeTransformer(discord.FFmpegPCMAudio(query))
        ctx.voice_client.play(source, after=lambda e: print('Player error: %s' % e) if e else None)
 
        await ctx.send('Граю вам на гармошці: {}'.format(query))
 
    @commands.command()
    async def play(self, ctx, *, url):
 
        async with ctx.typing():
            player = await YTDLSource.from_url(url, loop=self.bot.loop)
            ctx.voice_client.play(player, after=lambda e: print('Player error: %s' % e) if e else None)
 
        await ctx.send('Граю вам на балалайці: {}'.format(player.title))
 
    @commands.command()
    async def stream(self, ctx, *, url):
 
        async with ctx.typing():
            player = await YTDLSource.from_url(url, loop=self.bot.loop, stream=True)
            ctx.voice_client.play(player, after=lambda e: print('Player error: %s' % e) if e else None)
 
        await ctx.send('Now playing: {}'.format(player.title))
 
    @commands.command()
    async def volume(self, ctx, volume: int):
 
        if ctx.voice_client is None:
            return await ctx.send("Not connected to a voice channel.")
 
        ctx.voice_client.source.volume = volume / 100
        await ctx.send("Changed volume to {}%".format(volume))
 
    @commands.command()
    async def stop(self, ctx):
 
        await ctx.voice_client.disconnect()
 
    @play.before_invoke
    @yt.before_invoke
    @stream.before_invoke
    async def ensure_voice(self, ctx):
        if ctx.voice_client is None:
            if ctx.author.voice:
                await ctx.author.voice.channel.connect()
            else:
                await ctx.send("До войсу підключись, біба.")
                raise commands.CommandError("Author not connected to a voice channel.")
        elif ctx.voice_client.is_playing():
            ctx.voice_client.stop()

 
bot = commands.Bot(command_prefix=commands.when_mentioned_or("prefix"),
                   description='Relatively simple music bot example')

@bot.event
async def on_ready():
    print('client ready')
async def audio_player_task():
    while True:
        play_next_song.clear()
        current = await songs.get()
        current.start()
        await play_next_song.wait()

def toggle_next():
    client.loop.call_soon_threadsafe(play_next_song.set)
 
@bot.event
async def on_ready():
    print('Logged in as {0} ({0.id})'.format(bot.user))
    print('------')
 
bot.add_cog(Music(bot))
bot.run('token')