http://www.collegehumor.com/moogaloop/moogaloop.swf?clip_id=1944493&fullscreen=1 Jason Segel and Jac

http://www.collegehumor.com/moogaloop/moogaloop.swf?clip_id=1944493&fullscreen=1

Jason Segel and Jack Black on “The Little Drummer Boy / Peace On Earth) team up, just like Bing Crosby and David Bowie did a few decades back.

You can buy the track from Amazon and iTunes, too – all proceeds benefit Blue Star Families, an organization that helps military families.

[via Consequence of Sound]