The word I got was that Ernie Morris had discovered them, but didn't know what to do with them, and so didn't use them - maybe because of problems getting them in tune?? Don Les told me of a kid who "blew harp in my face" backstage at a 'Cats gig at the height of their fame who *did* know "what to do with them", but was never heard of again. Steve (mythically) J.