Hiroshi Kawaguchi

Hiroshi Kawaguchi (川口 博史 Kawaguchi Hiroshi, born April 12, 1965 in Chiba Prefecture, Japan) is a video game music composer and keyboardist who works for Sega. He is among the oldest of the Sega sound team members and one of the few from the 1980s still active today.

He is also known as Hiro and Hiroshi Miyauchi (宮内 博史) (his pre-mukoyōshi name), and has been a part of both the S.S.T. Band and the sound unit "[H.]", the latter of which he leads.