Godfried-Willem Raes & Logos – Music Robots

Godfried-Willem Raes is together with Pierre Bastien on of the godfathers of european music robots. Not only did he build robots for Aphex Twin lately, he also developed more than 50 instruments in the last decades.
Logos is his belgish artist group, providing more then 50 several robotic instruments like pipes, organs, beat-makers and drums. They also have some of the most detailed technical paper on robotics for musical instruments explaining the progress and details of his machines and electronics.

Link