So, for that matter, did Eliza C, e.g. I don't think it was purely instrumental. the scene was indeed *diversifying* I agree, Dave, during 70s-80s-early90s: but I think the mainstream can be traced thruout as a continuous process, with those names rubricated above by GSS (who I am glad to see includes Dick Miles in his list - would never have done for him to omit that one!), emerging as the sort of folksingers who could have surfaced any time since 1950.