Last night, The Colbert Report capped off its final episode in 2012 with another all-star Christmas carol. Following Wednesday night’s performance of Good King Wenceslas by Michael Stipe and Saul from Homeland, Stephen Colbert recruited Jeff Tweedy, Mavis Staples, Sean Lennon, and the Harlem Gospel Choir for a rendition of “Happy Christmas (War Is Over)”. Fun fact: The song was originally sung by Sean’s mom and dad. Watch the replay below (via The Audio Perv).

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