Cartman's Best Musical Moments: 13 Songs That Prove South Park's Song Superiority (VIDEO)
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1) "Poker Face": Cartman does his best Lady Gaga rendition on Rock Band, with an added verse about his problem with Stan.
2) "The German Dance": Chef Aid is in danger when the boys only have one act, and it's Cartman in lederhosen doing a "German Dance."
3) "O Holy Night": Cartman tries to be sweet during the holidays by singing "O Holy Night," but he digresses into presents and pies.
Huffington Post Katla McGlynn First Posted: 03/18/10 06:12 AM ET Updated: 05/25/11 03:50 PM ET