Folks here might not know that there is a fRoots feature from the 1980s at:

http://www.frootsmag.com/content/features/old-coppers/

http://www.frootsmag.com/content/features/old-coppers/page02.html

I wonder where the original tapes are - they would be good online so as to hear these guys describing the singing and songs that they so loved.