ASTRO is Hiroshima Hasegawa's solo project. He was in the band named C.C.C.C. which was one of the biggest Japanese noise groups. Born in 1963, Hasegawa has begun his improvisation with his voice and drums. And in 1990, he made the group C.C.C.C. which's concept was impovisative mass-noise with very loud sound. The group became legend with the members Mayuko Hino, Ryuichi Nagakubo, Fumio Kosakai. Also he has begun his solo unit ASTRO with analog synthesizers in 1993 as well as playing in C.C.C.C. Now he is actively playing and issuing and doing many collaboration with other artists. The artist who played together by now are Yamazaki Maso, Kawabata Makoto, Keiji Haino, Seiichi Yamamoto, Masaya Nakahara, Reiko.A, KK Null, Damo Suzuki and many more. And there are released works beyond 50 titles. His playing style is like drifting between the meditation and awakening state with electronics and still he is pursuing it.