Another strange offering, this time from Yamaha. The MEP4 essentially manipulates, changes and adds ‘effects’ to incoming MIDI data – producing all kinds of interesting ideas that have largely fallen by the wayside these days which is a shame, since there is a lot of possibility in this idea. I particularly like the idea of sending MIDI delays, an effect used in this jam:
More details here:
http://www.muzines.co.uk/articles/yamaha-mep4-processor/1910