My two favorites of all time are, ‘Carol of the Bells’ (any version, sung or instrumental) and ‘Merry Christmas Darling’ by the incomparable Karen Carpenter.
And any Christmas songs sung by Elvis, Nat King Cole, or Bing Crosby. :)
I found out that Qobuz has a 2000 song limit when I reached it doing my Christmas playlist. My Spotify list has 1300 songs.
There is something festive about Advent songs sung in Latin and German by choirs. I also like big band versions that were popular during WW2 for our homesick soldiers.
Man from Uncle - Carol of the Bells - Straight No Chaser
https://youtu.be/QwNcKOagGAw
The Professionals - God Rest Ye Merry Gentlemen - Nat King Cole
with The SCE
https://youtu.be/yE3jAvIhCx4
Yes, also the classics from the “Rat Pack” - Dean Martin singing “I’ve Got My Love to Keep Me Warm,” Frank Sinatra: “I’ll Be Home For Christmas,” or the two of them singing “Marshmallow World” (the only version I like) - or Vince Guaraldi’s great score for “Charlie Brown Christmas.”
— I’ve switched over to the Manheim Steamroller Christmas station.
Carol of the Bells is another favorite. I like almost any version I hear.