I know the Mariah Carey song is hated because its overused, but its also objectively a well produced piece of pop music.
My favorite though is O Holy Night. Performed well I want to stop and listen to it. It moves me, and I dont give enough of a fuck about religion to call myself an athiest.
Pogues, Fairytale of New York:
https://www.youtube.com/watch?v=j9jbdgZidu8
Low, Just Like Christmas:
https://www.youtube.com/watch?v=eIbha-783eQ
Tom Waits, Christmas Card From a Hooker in Minneapolis:
https://www.youtube.com/watch?v=mxVo5mjK4eg https://www.youtube.com/watch?v=a1v7HakNz4E