McGinty also has this on several releases going back to the 1970's up until recent times. See here:
http://www.rcm.ns.ca/mcginty/mcginty_cd-rom.html
The male voice in question may well be John Fergusson or Don Moore.
They also participated in some of the tourist promotion compilations of a few years back and that may explain the mystery tape, but I am unsure what songs were on them. George, you will probably see John sometime soon at The Old Triangle or O'Carrols so perhaps you could ask him.
                Sandy