Chihei Hatakeyama (畠山地平) is a musician and an organizer who was born in 1978, and lives in the outskirts of Tokyo. He has performed for years under his given name and also as one half of the electroacoustic duo Opitope, along with Tomoyoshi Date. Hatakeyama got involved in playing music through strumming a guitar in a few rock-oriented bands in his teenage years. Subsequently a laptop computer superseded his bands as his main platform. Hatakeyama