He was a member of the prog rock group Flying Testicle with Merzbow, as well as the Japanoise 'super-group' Bustmonster which included Akita Masami from Merzbow on drums.
http://www.yamazaki-maso.net - Maso Yamazaki's Official Site with all his projects; Masonna, Space Machine, Christine 23 Onna, South Saturn Delta, etc.
Yamazaki"Maso" Takushi (山崎 "マゾ" 卓志) is the birthname of Japanese noisician and performer known most widely for his solo-project Masonna.
Maso has said that he became interested in making noise music when he heard the sounds of destruction on television as a child, but that his first exposure to the Japanese noise genre was Hanatarash's debut LP, which at the time did not impress Maso.
Maso has an interest in avant-garde films, having stated in interviews that his two favorite movies are the Alexandro Jodorowsky films 'The Holy Mountain' and 'El Topo'.