p.s. Versions by Charlie MacKinnon's, and his Grandson, Bobby Currie, don't appear to be on YouTube at present, but, there are several by Harry Hibbs, including this performance of "Between Two Trees" by "His Nibs":

http://www.youtube.com/watch?v=r56JwUdUuJI

And, here's bio material on Hibbs:

http://www.thecanadianencyclopedia.com/articles/emc/harry-hibbs