(And for those of you who hate holiday music more than any other kind of music, I hid it all under the jump so you don't have to see all the jingle bells, snowflakes, Christmas lights, and santa hats—you're welcome).
Deer Tick - "Christmas All Summer Long"
Summer Camp - "Christmas Wrapping" (The Waitresses cover)
The Bitter Roots - "Warm With You"'
The Pipettes - "Santa's On His Way" (free download when you enter your e-mail address)
Ben Folds and Mark Hoppus - "Happy Holidays, You Bastard":
The Killers - "Boots":
And speaking of the Boy Least Likely To, they reunited WHAM! Watch their video for the song "George and Andrew" at Spin.com.
If you've heard of others, feel free to add links to them in the comments.