Real name: 江川真澄 (江川マスミ / Masumi Egawa)

Effective period / Period of releases: 1966 - 1975

A Japanese Electone player in the 1960s ~ 1980s, same as Hidemi Saito and Shiro Michi. She was active as a soloist as a professional Electone player, but in the spring of 1967, she formed a unique quintet consisting of electric guitar, bass, marimba, drums, etc. centering on her Electone, named the Blue Sounds Band. And since then, she has long been a long-cherished desire. She continues his unique activities by setting the direction of mood jazz. She's also Yayoi Hirabe's teacher and mentor.