is a Japanese composer, orchestrator, and musician. He is best known for collaborating with Noriko Matsueda on Final Fantasy X-2 and with Tomoya Ohtani on several Sonic the Hedgehog games. Eguchi became interested in music when he was six years old after hearing his neighbor playing the piano. He attended the Tokyo Conservatoire Shobi where he acquainted Matsueda.
Eguchi worked at Square Enix from 1998 to 2003 and currently works at Sega. He created mostly electronic music in the early part of his career but now focuses on orchestral composition and arrangement, along with performing keyboards.
Biography
Born in Nagasaki, Japan, Eguchi became interested in music at the age of six when he heard his neighbor playing the piano. While his father, a judo athlete, initially tried to push him into pursuing sports, he eventually agreed to let him take piano lessons, as long as he agreed to study with his sister. Eguchi enrolled at the Tokyo Conservatoire Shobi,
Eguchi joined Square (now Square Enix) in 1998; his first job was composing the 1999 title Racing Lagoon alongside Matsueda. Although his role was minor compared to Matsueda's, he was responsible for the opening and ending themes, the majority of the battle themes, and the bonus track "Taiman Battle Remix". Eguchi and Matsueda collaborated once again in 2000 on the PlayStation 2 game The Bouncer. He created a lot more music than on previous soundtracks; a large amount of the music produced was not used in the game and there were also many post-production demands. In 2002, Eguchi arranged the track "Hand in Hand -Reprise-" for Yoko Shimomura's score to Kingdom Hearts.
Eguchi reunited with Matsueda to compose Final Fantasy X-2 (2003). Despite mixed reviews by critics and a negative reception from fans, the soundtrack was commercially successful. Eguchi and Matsueda married in 2009.
Since his departure, he has been involved in several anime projects such as D.N.Angel (2003), Rental Magica (2007), and Trinity Blood (2005). He has also mixed Shimomura's arrangements for the Dark Chronicle Premium Arrange album and performed piano on her vocal album Murmur. In 2006, he contributed three compositions and two arrangements to the Xbox 360 game Sonic the Hedgehog; he also worked on the 2008 follow-up Sonic Unleashed. A professional pianist,
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| Rhythm Thief & the Paris Caper
| Music with Tomoya Ohtani and Naofumi Hataya
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! 2015
| Sonic Runners
| Keyboards, arrangements
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! 2017
| Sonic Forces
| Cutscene music, orchestrations
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! 2019
| Mario & Sonic at the Olympic Games Tokyo 2020
| Arrangements
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! 2022
| Sonic Frontiers
| Cutscene music, orchestrations
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{| class="wikitable sortable" width="auto"
|+ Anime
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! Year
! Title
! Notes
!
|-
! 2003
| D.N.Angel
| Music with Tomoki Hasegawa
|