My pleasure, this will be fun. Wish that rostasi would fix his computer situation or whatever it is that's keeping him away, I'm sure he has a lot to contribute to this thread.
They were all great but my personal favorite Can guy is probably Irmin Schmidt.
This Guardian profile is really interesting: "
I grew up in total ruins"
This is a really good track with his long-time collaborator Kuno/Jono Podmore (at some point I'll post something from the opera they collaborated on).
He has some music for prepared piano à la John Cage (with hints of Kurtag's Játékok imo), and while this bit isn't necessarily the highlight, I like watching him play it: