Hi Richard. It's a good few years ago now, but back then I used to go to tunes sessions two or three times a week. I know both Planxty Irwin and Fanny Powers and quite a few other Carolan tunes. I also remember Da Slockit Light although I didn't remember it's name. That tune does everything I remember regarding the G# except that I don't remember a tempo change from 3/4 to 4/4 and I think I would have remembered that. Thanks anyway.