is a Japanese 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 joined Sega in 1984 as a programmer before transferring to the sound department the following year.
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. He has also been a member of Chain Band, a hybrid between the groups [H.] and Sonic Adventure Music Experience.
He worked closely with game designer Yu Suzuki and served as composer for some of the company's most recognized series, such as Space Harrier, Out Run, and After Burner, and has contributed music to many others. He has often acted as a tutor to new Sega composers, such as Yasuhiro Takagi and Keitaro Hanada.
Works YearTitleRole(s)1984 Lode RunnerEnding theme1985Girl's GardenProgrammerDragon WangSoundHang-OnMain themeSpace HarrierMusic with Yu SuzukiPit PotMusic 1986Fantasy ZoneMusicGhost HouseMusic Enduro RacerMain theme Out RunMusicAlex Kidd: The Lost StarsMusic 1987 After BurnerMusicAfter Burner IIMusic1988 Power DriftMusicDynamite DüxMusicHot RodMusic with N.Y1989Super Monaco GP"Theme From Super Monaco GP"Turbo OutrunMusic with Yasuhiro TakagiSword of VermilionMusic with Yasuhiro Takagi1990G-LOC: Air BattleMusic with Yasuhiro TakagiGP RiderMusic with Takenobu Mitsuyoshi and Yasuhiro Takagi 1991Rent a Hero MusicNinja Burai DensetsuMusic1992 Speed BasketballMusic Dream PalaceMusic Air RescueSound effects Stadium CrossSound driver OutRunners Music with Takayuki Nakamura and Takenobu Mitsuyoshi 1993SegaSonic the HedgehogMusic with Keitaro Hanada and Naoki Tokiwa 1994Dragon Ball Z: V.R.V.S.Music with David Leytze and Keitaro HanadaStar Wars ArcadeSound coordinator Rail Chase The Ride: Eiyuu Fukkatsu HenMusic1995Cool RidersArrangements 1996Sega Touring Car ChampionshipMusic, sound programmingFighters MegamixMusicWaveRunnerSound with Makito Nomiya and Youichi UedaVirtua Fighter 3 Sound programmingSega Ages: OutRunArrangements1997Sega Ages: Fantasy ZoneVocal song arrangementLe Mans 24 Sound support1998Sega Ages: Power DriftArrangements1999Toy FighterTechnical advice 2000Rent a Hero No.1 Music with Kojiro Mikusa and Kayoko MatsushimaCrackin' DJ Music with various others 2001Crackin' DJ Part 2Music with various othersAir TrixSound design2004Derby Owners Club OnlineMusic2006Sega Rally 2006Music with various othersOutRun 2006: Coast 2 CoastAfter Burner ClimaxArrangement 2007OutRun 2 SPPianoManic Panic GhostsSound director 2008Dinosaur KingSound supervisor 2009Tetris GiantMusic with Susumu Tsukagoshi and Yuichi KanataniYakuza 3Sound productionBayonettaArrangements2010Yakuza 4Sound support2011Initial D Arcade Stage 6 AASupport2012maimai Music2014Gotta ProtectorsMusic2016Sangokushi Taisen 4Music with Susumu Tsukagoshi 2018Border BreakMusic with several othersFist of the North Star: Lost ParadiseSpecial cooperation with Hideaki KobayashiSega World Drivers ChampionshipMusic with Kazuhito Shimizu and Keitaro HanadaHouse of the Dead: Scarlet DawnSound with Keitaro Hanada and Ryohei Kohno2021Virtua Fighter 5: Ultimate ShowdownMusic with several others2022Sonic Frontiers"Hacking Mission", "Pinball" 2023404 GAME RE:SETMusic with several othersSonic SuperstarsMusic with several others Like a Dragon Gaiden"Her Melancholy", "Hell’s Gate"2024 Super Monkey Ball Banana Rumble"Ba-BOOM", "Robot Smash"Shadow Generations"White Space (Underground)"2026Yakuza Kiwami 3 & Dark TiesMusic with several others
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