Jack Black was the guest on "Late Night" Tuesday night, and Jimmy Fallon's audience got more than just an interview. In a performance that was straight out of the "Blue Man Group" show, Fallon and Black sang what seems to be the only Christmas song comedians will sing, the classic Bing/Bowie duet "Peace On Earth/Little Drummer Boy." Things get messy, as you'll see, but we can't decide if we like this version better than the one Black did with Jason Segal. Decide for yourself by watching it below, and check out Black's interview in the clip after that.
WATCH: "Peace On Earth/Little Drummer Boy" performance
WATCH: Jack Black interview
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