Not sure that when Shakespeare wrote Hamlet, he was telling the audience Go, and do thou likewise.
Am totally sure that Johnny Collins was one of the most Inclusive performers ever, he made jolly damn sure that people joined in, which is one of the main reasons for folk music, surely?
Rumncoke, I'm sorry, but I must admit to having been a folkie on internet radio.. It was fun, but I've no idea if more than 3 people were listening!! Maybe that's why we're being told to do it that way. Another method of diluting our musical input.
Incidentally, title of OP has the words Traditional Music. why are we wittering on about rap? That's from another tradition altogether, W African I think. Not that many W Africans on this thread?