eyestrain, which Bayle have you heard? If you have the interest, and assuming you haven't heard it, I'd recommend Son Vitesse-Lumière. It and Divine Comédie are what I consider the top of the heap of music concrete.
Finnish Genocide smokes for that style. When I hear someone talking about Genocide, that's the first band to come to mind.
Scat-O-Logy, did you get the silver or white cover of Sources Of Power From Another World? Not that it really matters, but you didn't see either pressing pop very often prior to Discogs. Strange album to have more than a single pressing.
Speaking of the early days of grindcore, tape trading was crazy back then. The metal folk were rapid-fire communicating all over the world. It's easy to forget, and maybe hard to imagine, pre-internet. Postage was so cheap that kids could get several packages a week out of just a tiny allowance. The straight-edge guys were almost as rabid. Master rehearsals (Paul Speckmann). Napalm Death and everything Mick Harris (he must have had hundreds of penpals). The first time I ran into any of this was through a fresh Polish immigrant skinhead. He was receiving new demos, rehearsals, and live tapes on a daily basis. I reckon I mention this because it makes sense how grindcore spread; unlike how early punk simultaneously sprung up all over the world (Japan, Sweden, Finland, Germany etc) without such a network of trading and correspondence.
