Akio "Hoppy" Kamiyama is a Japanese composer and producer known for his work in electronic music production and keyboard-driven compositions. His creative output spans multiple projects and collaborations within Japan's electronic music scene.
Kamiyama has been instrumental in shaping sounds through his associations with God Mountain and contributions to God Ocean Records, where he developed his distinctive approach to synthesizer-based production and arrangement. His work continues to influence the contemporary Japanese electronic music landscape.