Akiko Yano
Establishing a company of his own named Musical Advertising Corporation (MAC) in 1974, his involvement with 'new music' artists such as Yoshitaka Minami and Akiko Yano started. In 1978 he participated in the production of Ryuichi Sakamoto's first album, "Thousand Knives". In the years 1978 to 1982, Matsutake served Yellow Magic Orchestra as its sound programmer, eventually to become known as the "fourth member" of the band. He also led sequencing work for numerous technopop albums by other artists, especially at the beginning of the 80s.