Rolling Stone’s roundup of the twelve best metal Christmas tunes include a couple of my favorites, like Rob Halford’s “We Three Kings” and Dio’s “God Rest Ye Merry Gentlemen” (with Tommy Iommi on guitar).
12 metal Christmas songs for unsilent, unholy nights
Don’t forget Bad Religion. Not metal but still good | https://itunes.apple.com/ca/album/christmas-songs/id701162374
Good list… My wake-up song of choice for X-mas has been “My Pagan Ass” by Brain Donor for a few years now. Might try a few of these.