diff --git a/miyu_bot/commands/cogs/event.py b/miyu_bot/commands/cogs/event.py
index b7b00bd..8ba28b3 100644
--- a/miyu_bot/commands/cogs/event.py
+++ b/miyu_bot/commands/cogs/event.py
@@ -29,7 +29,7 @@ class Event(commands.Cog):
                       aliases=['ev'],
                       description='Finds the event with the given name.',
                       help='!event pkcooking')
-    async def event(self, ctx: commands.Context, *, arg: commands.clean_content = ""):
+    async def event(self, ctx: commands.Context, *, arg: commands.clean_content = ''):
         self.logger.info(f'Searching for event "{arg}".')
 
         event: EventMaster
@@ -203,7 +203,7 @@ class Event(commands.Cog):
                       aliases=['top20', 'top_20'],
                       description='Displays the top 20 in the main leaderboard',
                       help='!t20')
-    async def time_left(self, ctx: commands.Context):
+    async def t20(self, ctx: commands.Context):
         async with aiohttp.ClientSession() as session:
             async with session.get('http://www.projectdivar.com/eventdata/t20') as resp:
                 leaderboard = await resp.json(encoding='utf-8')
diff --git a/miyu_bot/commands/cogs/music.py b/miyu_bot/commands/cogs/music.py
index 426abad..2c90dd7 100644
--- a/miyu_bot/commands/cogs/music.py
+++ b/miyu_bot/commands/cogs/music.py
@@ -287,7 +287,7 @@ class Music(commands.Cog):
 
         return embeds, files
 
-    def parse_chart_args(self, arg: commands.clean_content) -> Tuple[str, ChartDifficulty]:
+    def parse_chart_args(self, arg: str) -> Tuple[str, ChartDifficulty]:
         split_args = arg.split()
 
         difficulty = ChartDifficulty.Expert