Somehow, Yellow Magic Orchestra was able to do this, live on stage:
http://www.youtube.com/watch?v=cPkBd7k6Kng

(4)prophet5's, (2)polymoogs, (2)ARP odysseys, oberhiem 8 voice, Jupiter 4, moog modular, Emu Modular, and a VP-330 vocoder.

I have never seen such a great amount of American firepower, even if its in Japan.
They used mixers, of course, and wrote notes on their keyboards and drumheads to aid them as to which patches to use and such. Hope it inspires and gives you some organizational ideas.