Did Calasaig credit their source? That would help. Their website has plenty of information on how to buy their records, but little about what's actually on them.

If Susanne's suggestion is right, then the song came from Willie Scott. There is a transcription of those words at

http://www.geocities.com/magjam/infreenname.txt

They seem reasonably accurate from what I remember; I have Gordeanna's CD somewhere, and will give it a fresh listen.