moved youtube-dl in background task (don't block bot)

bot.py

@@ -12,7 +12,8 @@ from os.path import isfile
 from os import rename, remove
 from youtube_dl import YoutubeDL
 from time import time
-import asyncio
+from asyncio import sleep
+from threading import Thread
 
 polls = {}
 player = None #the Player for the music Bot
@@ -414,7 +415,7 @@ async def play(ctx, songURL : str):
 async def skip(ctx):
     global player
     player.stop()
-    await ctx.message.channel.send("Skipped to next song")
+    await ctx.message.channel.send("Skipped current song")
 
 @bot.command(brief="Prints the current que")
 async def que(ctx):
@@ -450,30 +451,36 @@ async def checkForNextSong():
                 playing = True
                 print("playing next song")
                 player.play(discord.FFmpegPCMAudio(playerQue[0]))
-        await asyncio.sleep(1)
+        await sleep(1)
 
 async def downloadAudioFiles():
     global downloadQue
-    global fileIndex
+    global titleQue
     while True:
         if(len(downloadQue) > 0):
-            ydl_opts = { #youtube-dl arguments
-                'format': 'worstaudio/worst',
-                'postprocessors': [{
-                    'key': 'FFmpegExtractAudio',
-                    'preferredcodec': 'mp3',
-                    'preferredquality': '192',
-                }],
-                'outtmpl': str(fileIndex) +'.%(ext)s',
-            }
-            with YoutubeDL(ydl_opts) as ydl:
-                ydl.download([downloadQue[0][0]])
-                playerQue.append(str(fileIndex) + ".mp3")
-                titleQue.append(downloadQue[0][1])
-                downloadQue.remove(downloadQue[0])
-            fileIndex = fileIndex + 1
-        await asyncio.sleep(1)
+            thread = Thread(target=backgroundDownloader, args=(downloadQue[0],))
+            thread.start()
+            downloadQue.remove(downloadQue[0])
 
+        await sleep(1)
+
+def backgroundDownloader(downloadQue):
+    global playerQue
+    global fileIndex
+    ydl_opts = { #youtube-dl arguments
+        'format': 'worstaudio/worst',
+        'postprocessors': [{
+            'key': 'FFmpegExtractAudio',
+            'preferredcodec': 'mp3',
+            'preferredquality': '192',
+        }],
+        'outtmpl': str(fileIndex) +'.%(ext)s',
+    }
+    with YoutubeDL(ydl_opts) as ydl:
+        ydl.download([downloadQue[0]])
+    playerQue.append(str(fileIndex) + ".mp3")
+    titleQue.append(downloadQue[1])
+    fileIndex = fileIndex + 1
 
 bot.loop.create_task(checkForNextSong())
 bot.loop.create_task(downloadAudioFiles())