http://spuscizna.org/music/k6.html

Repeating the url by Guest. It leads to sheet music, chords, and a midi.
It is safe, leeneia.

The music to this carol is familiar, but this is the first time I have heard the lyrics. Beautiful!

The version by Jay Droz (8 verse), linked by Joe, is good. For some reason I got an 'incomplete' on my download, but I will try again.