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Comedian Paul Thomas left his pants at home for a passionate performance of “Epic Love Song” live on WGN. And so did his backup dancers.

The song is a love ballad dedicated to underwear or “tighty-whities,” so at least it was appropriate on one level.

Thomas and a crew of Second City comedians created a video for “Epic Love Song” back in 2007 that featured them frolicking in a rural landscape wearing nothing but white briefs and undershirts. Nearly a decade later, the song remains as funny and oddly catchy as their underwear is white.