Michael Robinson's site says "Danny Boy—the mystery solved!
by Michael Robinson"
It further states:
"Based on an article published in the Folk Harp Journal. Some additional material has been added to the version originally published."

I can't find the history on the MelodyLane site, but I didn't try very hard. The graphics take forever to load on my pokey connection. (It does have some very nice midis and is pretty, if you can handle the bandwidth.)