"you replied "It has in the main I believe, at least on [an] amateur level." implying, if I get you right, that traditional material has all but dissappeared from folk clubs. I think Tom's figures clearly disprove that."

As said I was personally referring to amateur events (Tom's Open Mic/Singaround bracket) which are also often described as 'clubs' - the broad remit of the term can lead to communicating at cross-purposes.

But yes, other than the strictly amateur arena, I think Tom's 30% is a pretty healthy one for anyone interested in traditional music.