It's beginning to feel a lot like a Glee Christmas...

Earlier this week, we posted photos from the upcoming holiday episode of everyone's favorite musical comedy. These are certainly worth a look, but we know the number-one, two and three reasons why most viewers adore this show so much.

Music, music and music!

With that in mind, sit back and watch a couple of the performances set to come out way on Tuesday night: Kurt and Blaine teaming up for "Baby It’s Cold Outside” and Rachel singing "Merry Christmas, Darling."

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.