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The Best Musical Performances On It's Always Sunny In Philadelphia

It's Always Sunny in Philadelphia, has performed a number of musical acts over the years that have not only been memorable but extremely entertaining. Check out some of these popular moments from the past, and get ready for an all new season of It’s Always Sunny in Philadelphia, which returns to FX Tonight at 10PM ET/PT.

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  • 1. "Day Bow Bow"

  • 2. "The Gang Dances Their Asses Off"

    The entire episode is full of "great" dancing and musical performances, but this is probably the best one.

  • 3. The Gang Sings Boyz II Men


  • 4. "Dayman" (Original Performance)

  • 5. "The Nightman Cometh"

  • 6. "Dayman" (Live at San Diego Comic-Con)