Hello. You will want to find a true collector and seek out live tapes made from shows, soundboards ect, there is much crap but there are some really great performances that never make it to record. try looking on the fan sites. I did zappa for years And Had quite a collection, Some guys actually got in digital recorders, other people knew personell that ran the soundboards that had 2 channel decks running directly from the boards. Cool stuff, dynamic range was staggering on some stuff.
