So there I was, finally getting a chance to leaf through my new tunebook, Mel Bay's "The Fiddle Music of Prince Edward Island," and there it was. Additional info: a Cape Breton tune,(c) 1987 by Joan MacDonald Boes. (Somebody ought to tell Eliza Carthy - it's on her CD as "trad") "For St Mary. Can be played as a slow air or slow strathspey. The one in the book has way more dotted notes than I put in.