Kouhei Matsunaga grew up in Osaka, Japan. He studied architectue and was listening to hardcore techno and rap music. He started to make music back in 1992, focusing on rather experimental music. Kouhei also worked with artists like Merzbow, John Watermann, Asmus Tietchens, RLW, Rudolf eb.er, Anla Courtis, Greg Davis, Conrad Schnitzler, Lesser, Mika Vainio (Pan Sonic), Mr Maloke (Puppetmastaz), Sean Booth (Autechre) and Sensational (ex Jungle Brothers). He also having another project as NHK (Raster-Noton) with Toshio Munehiro and Internet Magic with Max Turner (Puppetmastaz). Now he lives in Berlin and Osaka.