Logic System is a musical project of Hideki Matsutake (b. August 12, 1951 Yokohama City, Kanagawa Prefecture, Japan) is a Japanese composer, arranger, and computer programmer. In 1981, Matsutake formed 'Logic System' with Makoto Irie and Ryo Kawakami. They released the first album "Logic" and toured other Asian countries several times. Hideki Matsutake worked as an assistant for Isao Tomita in the 70's and is well-known as the sequencer programmer and modular synthesizer operator for the Yellow Magic Orchestra (YMO)