Further comment unnecessary, I would say.
Why yes, it IS a Gregorian chant version of "Rudolph the Red-nosed Reindeer".
You're welcome. pic.twitter.com/bDGCj88D27— RevDaniel + (@RevDaniel) December 11, 2017
and (more…)
Dec
11
2017
11
2017
Tweets of the Day, This Is The Best Gregorian Chant You Will Hear Today edition.
Nov
22
2016
22
2016
The ‘Rudolph the Red-Nose Reindeer’ Honest TV Trailer.
I watched this with narrowed eyes – this is a family favorite for both my wife and myself – but, yeah, it’s fair. Rudolph the Red-Nosed Reindeer is a deeply strange movie. Which is why it’s a family favorite to us, in fact.
, 
, and is (to the best to my knowledge) in the public domain.