So MANY!
O holy night - Josh Groban
Little Drummer Boy - David Bowie and Bing Crosby
Mary did you know - Pentatonix
Santa coming to town - Springsteen and the E_Street band
Blue Christmas - Elvis
Carol of the Bells
White Christmas - Bing
And more....
It's a big reason I like this time of year. As soon as XM started Christmas songs I had it programmed. LOL
I have no favorite ONE, I like the all. I have over 750 Christmas songs on my itunes and my ipod always (year round) always has at least 25 of them on it.
The Christmas Song (chestnuts on an open fire, etc). Incidentally, written by Mel Torme when he was a teenager, so the Nat King Cole version is a cover.
There is a song that I have not heard in years, but I love it and don't know the name of it. It's about balls of light that appear on Christmas and disappear again. If anyone knows what I am talking about, let me know.