Hiroshi "Monsieur" Kamayatsu (かまやつひろし, Hiroshi "Monsieur" Kamayatsu; 12 January 1939 – 1 March 2017) was a Japanese singer and guitarist born in Tokyo. He composed the music for Download, a direct-to-video anime release based on PC Engine games.
Source: “Hiroshi Kamayatsu”, English Wikipedia (CC BY-SA 4.0), excerpt