Out of interest I was at the Fleetwood Folk and Blues festival over the weekend. Blues seems suffers from the same phenomenon that people have mentioned about folk on here - IE, some bands are playing covers of pop songs which can be loosely described as blues. I don't really know enough about that genre to know if the aficionados see it as a problem.

I did see some wonderful folk music from both paid artists at concerts and others in both singarounds and music sessions.