Faux-conservative political pundit comedian Stephen Colbert is ending a banner year—what with the election and all—with a folksy little homage to Christmas specials of yesteryear, called A Colbert Christmas: The Greatest Gift of All. Judging from the clips we've seen, it looks really funny and refreshingly not completely about politics, and hey! His old Daily Show boss Jon Stewart even stops by for a song. And Stewart can sing. Who knew? Get a snippet of his vocal chops in the above clip. Listen as Good Morning America host Diane Sawyer marvels!

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