Sachiko Matsubara

Sachiko Matsubara, who usually records as Sachiko M, is a Japanese musician.

She was a member of Otomo Yoshihide's Ground Zero from 1994 to 1997, where she used a sampler. Mor

Sachiko Matsubara, who usually records as Sachiko M, is a Japanese musician.

She was a member of Otomo Yoshihide's Ground Zero from 1994 to 1997, where she used a sampler. More recently, she has concentrated on music made from sine waves. Together with Toshimaru Nakamura, who plays the "no-input mixing board" (a board with the outputs connected to the inputs, thus producing feedback) and with whom she has collaborated, she is considered one of the main representatives of onkyo movement.