Who Knew Jon Stewart was a Good Singer?

This is my generation's Rudolf the Rednosed Reindeer, How the Grinch Stole Christmas and Merry Christmas Charlie Brown! all rolled into one:

The Colbert ReportMon - Thurs 11:30pm / 10:30c

A Colbert Christmas: Jon Stewart

Colbert at Christmas
Colbert Christmas DVD

Green Screen
Bill O'Reilly Interview