Put another Yule log on the fire, have a Solstice D'hiver beer in order to celebrate the "rebirth" of the sun. If you want to understand why it is appropriate for an atheist to celebrate Christmas, read Robert Tracy's post, Merry Christmas! Check out Hot For Words for an explanation of the words, Christmas, Xmas, and Santa Claus.
I have created a Xmas playlist on iLike.
Talking about music, I will listen to Radio Dismuke's New Year's Eve/Day Broadcast Schedule.