The Loop (Games)
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Keiichi "!" Sugiyama (杉山 圭一 Keiichi Sugiyama?) is a former Sega employee who has contributed music to various Sega games, including several Sonic titles. He is currently affiliated with Studiio Qareeb.
- Sonic Heroes
- Complete Trinity: Sonic Heroes Original Soundtrax
- Shadow the Hedgehog
- Mario & Sonic at the London 2012 Olympic Games (Wii version)
- on Wikipedia (french)
- (archived by the )
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