Hideki Matsutake (松武秀樹) (born August 12, 1951 in Yokohama, Japan) is a Japanese composer, arranger, and computer programmer. He is known for his pioneering work in electronic music and particularly music programming, as the assistant of Isao Tomita (冨田勲 during the early 1970s and as the "fourth member" of the band Yellow Magic Orchestra during the late 1970s to early 1980s. Through his participation in the session recording of Ryuichi Sakamoto's (坂本龍一) 1978 album Thousand Knives Read more on Last.fm