Jim - You say you expect a folk club to have "reasonably performed traditional songs coupled with new songs that have used traditional forms in their construction".

Do we take it then that this is your definition of folk music? If so, it is only one definition. Have you checked if the majority of people attending folk clubs accept your definition? If so, how long ago did you check?

This seems to be the crux of the matter. You seem to be saying, and apologies if I am wrong, that your definition of folk music is the right one while any others are to be disregarded. Is that right?

DtG