Grimmy: I think you are thinking of museuems where they keep dinosaurs and Egyptian stuff where they have "do't touch the exhibits" signs. In the museums containinmg folk songs of the past, anyone can touch the exhibits any time they like. That's what they are for.When did anybody last try to stop you singing a folk song? It's never happened to me(OK, it has, many times, when the landlord's throwing out, but you know what I mean).