[2] In 2002, Takenouchi composed the soundtrack of ChainDive with Hideyuki Eto, who previously contributed music for Circadia and sound design for Sky Gunner.
[2] Takenouchi later joined FromSoftware, where he worked on sound design for Demon's Souls with Hideyuki Eto, marking their fourth collaboration.
The sound team was given reference material by Hidetaka Suehiro and Hiroyuki Saegusa through existing songs from various dramas and movies.
[7] A compilation of Takenouchi's three house-inspired extended plays, Brand New Day, Southern Paradise, and Parfum was released in March 2017 by Apollo Records and titled after the first EP.
[8] Takenouchi contributed to KE-TSU-I kizunajigokutachi, an arrangement album of music from Ketsui: Kizuna Jigoku Tachi, which released in August 2020.