That would be this thoroughly freaky version of "Jingle Bells" by the Singing Saws (Julian Koster). It's one of 12 songs on an album called "The Singing Saw at Christmastime," which is due out Oct. 7 on Durham-based Merge Records. Here's another track, "Santa Claus Is Coming to Town."
Can't say I'd describe this as festive, exactly; but that's actually appropriate. Throw in a little theremin, and it would probably conjure up a nightmare before Christmas or two.