Hi all -
My smartest musician friends have referred me here, so I ask for your help.

Is this 'really' a traditional tune or does it belong to someone?

"Cantiga de Villancico" - instrumental tune, performed in G Dorian. I have the notes written out by hand, but I don't know where they came from or how to post them here.

As performed, it's about 120 beats per minute (to the quarter note).
There are no words, which seems strange for a Villancico.

One of my friends thinks it was written by Loreena McKennitt, but I can't find the reference. Google finds only one post in Spanish that says it's actually written by Enya.

Help?

Here's who I am: me