Not Christmas Songs - White Winter Hymnal - Pentatonix
I'll admit that I'm picking on Pentatonix a bit here, because two of the songs in this list will include their versions. The first is White Winter Hymnal, which I first heard off of That's Christmas To Me. It's a vaguely winter song, but nothing in it has anything to do with Christmas. The author (Fleet Foxes’ Robin Pecknold) generally disclaims a conclusive meaning to the song, but that the lyrics tell a story. (Figure that one out....) The concensus is that there's a general allusion to the loss of innocense for the singer, but it's high allegory, and nothing related to Christmas.