If anyone is curious,
here is a LotR/12 Days of Christmas related thread which has a bunch of other Christmas carols too.
Sooooo, ver are ve, my preciousss?
On the eleventh day of Christmas Sauron sent to me eleven spiders stinging, ten orcs defacing, nine wraiths attacking, eight blades of Gondor, seven Dwarven rings, six screaming slaves, five uruk hais!!, four hobbits smoking, three Elven rings, two mighty towers and one ring to rule them all.