joseph scott, what a misguided diatribe, you have contradicted yourself. the introduction of dadgad is based on real folk music, it was intoroduced by davy graham, based on tradtional folk music that he heard in morrocco and the sound of the ud.
van ronk was not a copoyist he was in his own way his own man look at his wonderful innovative harmonic version of cocaine, he did it because he liked the sound, not because john hurtor anyone else did it.
please do not insult joan baez she is a performer of folk songs with a beautiful voice and a very good performer.
your post is of the calibre of a player of the pink oboe, graham was an innovator but his intriduction of dagad was based on tradtional folk music