![‘It’s Always Sunny in Philadelphia’ Cast Sings ‘Day Man’ at Comic-Con [VIDEO]](http://townsquare.media/site/341/files/2011/07/dayman-300x225.jpg?w=980&q=75)
‘It’s Always Sunny in Philadelphia’ Cast Sings ‘Day Man’ at Comic-Con [VIDEO]
When the cast of ‘It’s Always Sunny in Philadelphia’ cast showed up at Comic-Con dressed as the characters from the show’s epic, ridiculous rock opera episode “The Nightman Cometh,” it was pretty inevitable that they would end up doing a musical number.
So here they are, pleasing the crowd with a sing-a-long rendition of ‘Day Man,’ from that episode.
Watch the original version of the song from the show:
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