Thompson, what about the other song also called Cuaichín Ghleann Neifín, which I suppose goes to another tune and isnt a version of Mainistir na Buaile & Gort a' Charnáin, which was posted here on 03 Jun 99?

and the lines "tá fear fada is fásach" are in this collection: http://www.duchas.ie/en/cbes/4602700/4596576