Discussion
The Folkopedia discussion group can be found at:
http://launch.groups.yahoo.com/group/folkopedia/
Also at Yahoo, you'll find....
http://launch.groups.yahoo.com/group/Tradtunes/
http://launch.groups.yahoo.com/group/Tradsong/
http://launch.groups.yahoo.com/group/efdss-forum/
Anglo-American talk happens at Mudcat
Uk folk/acoustic and roots music is discussed at uk.music folk
BBC Radio 2 run a discussion board for Folk and Acoustic Music