Yukifumi Makino is a video game composer. He is the head of Wave Master (formerly Sega Digital Media), an internal Sega development team focusing on sound design and music. He has produced original tracks for "Jet Set Radio" and "Jet Set Radio Future". Wikipedia
The definitive Wikipedia entry for Yukifumi Makino. Wikipedia is the biggest multilingual free-content encyclopedia on the Internet. en.wikipedia.org/wiki/Yukifumi_Makino