Musician, composer, DJ, producer. In addition to producing and remixing for various artists in Japan and overseas, he shows his talent in various fields producing TV commercial music, spatial music, and soundtracks, and also producing "music bars" focusing on vinyl records.

In 2017, he released MONDO GROSSO's album "Reborn Again and Always Starting New" for the first time in 14 years. The music video for "Labyrinth" sung by Hikari Mitsushima has been played more than 29 million times so far. His representative works in charge of the soundtrack are the TV anime "BANANA FISH" and the movie "Diner" directed by Mika Ninagawa. Currently, he has performed a new unit, RHYME SO, and spread their music from Tokyo to the world.

Formed a band in Kyoto in 1991. Shinichi Osawa is a leader and bassist of Mondo Grosoo. He made his major debut album in 1993 and toured Europe as a world-standard acid jazz band. The band broke up in 1996, and Mondo Grosso became Shinichi Osawa’s solo project featuring various artists for each song. Since then, he has released hit albums such as "MG4" including "LIFE feat. Bird" and "NEXT WAVE" including "Everything Needs Love feat. BoA" while seeking the innovative music of that era and was suspended in 2003.