There was one "Walking through the graveyard at midnight" ("stitching up some zombies" ?) or something, with a necromancer collecting zombie parts. To the tune of "walking in a winter wonderland".

Not what I was looking for, but I found these: https://www.youtube.com/playlist?list=PLJtJNNXaEYrrZP99qBx-k...

From this guy's page: https://www.paperspencils.com/category/my-projects/dd-christ...

Ah! I think I found the ones that I was thinking of:

https://archive.org/stream/netbookofbardsongs/BardSongsNetBo...

Nothing about Jack Frost or "ripping", unfortunately.