Counterpoint: My favorite serious holiday-season songs

Despite the cynicism inspired by what some have called "secular Christmas," and my own rebellion against my Catholic upbringing and the sins of that church's teachings and policies, and resultant agnosticism, there is more to my musical tastes in this season than simply parody and jaundiced ridicule (example: "Merry Christmas, You Suckers" by Paddy Roberts). I do find some worthwhile purpose in remembering what is most important about the celebrations of the Christ Child's birthday, the solstice, Ramadan, Kwanzaa, Chanukah etc. Here are some truly meaningful (to me, anyhow) songs I also enjoy this time of year:
( Cut for length and schmaltz overload. )

What songs truly move you to feel the spirit? Tell me about 'em.