This was sent over to me as a PDF from a friend of mine.
I have no idea where it comes from, but we have had great fun learning to sing the parts:
Bass, Tenor, Alto, and Soprano.
These are the chords that we played along to on the accordion whilst busking!
Enjoy!
Gau-de-te Gau-de-te Chris-tus est natus
Ex Ma-ri-a Vir-gi-ne Gau-de-te