He would go on to compose for its sequel Jet Set Radio Future in 2002, along with Ollie King in 2003, also developed by Smilebit. He took inspiration from big beat music for the game. In 2000, he served as the lead composer for Jet Set Radio, serving as his breakthrough work. He was accepted, with voice editing for Shoujo Kakumei Utena: Itsuka Kakumei Sareru Monogatari and composition for Hip Jog Jog being among his first works with the company. He was also aiming to become a singer-songwriter in the J-pop industry, but later changed those plans and sent demo tapes to Sega in 1998. Career 1998–2008: Work with Sega ĭuring 1993 to 1997 he worked as both a DJ and bartender. He then decided to have a job in the music business. When he was fourteen, he became interested in western music and composed his own songs. Naganuma started his musical career by playing the electronic organ, aged five, under the influence of his older sister.