Andreas Mourtzoukos (Saxelectro) introduce you the Saxelectro Max4Live Devices. A collection of M4L plugins who Andreas create especialy ...
Ableton Live controls Resolume via O.S.C. protocol which it's much better than midi, to communicate between softwares within your computer.
In this project I've used piezoelectric sensors up on the instruments, audio to midi converters, envelope followers, OSC sender for cross ...