diff --git a/src/bot.py b/src/bot.py
index 702dd73..9026522 100644
--- a/src/bot.py
+++ b/src/bot.py
@@ -17,9 +17,9 @@ youtube_dl.utils.bug_reports_message = lambda: ''
 
 class Music(commands.Cog):
   def __init__(self, bot):
-    self.bot = bot
-    self.queue = asyncio.Queue()
-    self.queue_lock = asyncio.Lock()
+    self._bot = bot
+    self._queue = asyncio.Queue()
+    self._queue_lock = asyncio.Lock()
     self._ytdl_format_options = {
         'format': 'bestaudio/best',
         'outtmpl': '%(extractor)s-%(id)s-%(title)s.%(ext)s',
@@ -36,34 +36,34 @@ class Music(commands.Cog):
     self._ffmpeg_options = {
         'options': '-vn'
     }
-    self.ytdl = youtube_dl.YoutubeDL(self._ytdl_format_options)
+    self._ytdl = youtube_dl.YoutubeDL(self._ytdl_format_options)
     # pylint: disable=no-member
-    self.handle_playback.start()
+    self._handle_playback.start()
 
   @tasks.loop()
-  async def handle_playback(self):
+  async def _handle_playback(self):
     while True:
-      await self.queue_lock.acquire()
-      ctx, url, title = await self.queue.get()
+      await self._queue_lock.acquire()
+      ctx, url, title = await self._queue.get()
       audio = discord.FFmpegPCMAudio(url, **self._ffmpeg_options)
 
       def after(err):
         if err:
           print(f"Player error: {err}")
-        self.queue.task_done()
-        self.queue_lock.release()
+        self._queue.task_done()
+        self._queue_lock.release()
       ctx.voice_client.play(audio, after=after)
       await ctx.send(f"Now playing: {title}")
 
   @commands.command()
   async def play(self, ctx, *, url):
     async with ctx.typing():
-      data = self.ytdl.extract_info(url, download=False)
+      data = self._ytdl.extract_info(url, download=False)
       if 'entries' in data:
         data = data['entries'][0]
         title = data.get('title')
         url = data.get('url')
-        await self.queue.put((ctx, url, title))
+        await self._queue.put((ctx, url, title))
         if ctx.voice_client.is_playing():
           await ctx.send(f"Queued: {title}")