Satoru Kōsaki

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Satoru Kōsaki
神前 暁
Also known asShinji Ikeda
Born (1974-09-16) September 16, 1974 (age 45)
Toyonaka, Osaka, Japan
  • Composer
  • arranger
  • producer
  • musician
Years active1999–present
Associated acts

Satoru Kōsaki (神前 暁, Kōsaki Satoru, born September 16, 1974) is a Japanese music composer and arranger. He is best known for his work on anime, including Lucky Star, The Melancholy of Haruhi Suzumiya, Monogatari, and Beastars. He began his career in 1999 at Namco, where he primarily composed soundtracks for video games. Since 2005, he has been affiliated with Keiichi Okabe's music production company Monaca, where he has often collaborated with his colleagues to produce soundtracks for anime and other media.


Kōsaki was born on September 16, 1974 in Toyonaka, Osaka, Japan.[1] He began playing the piano and Electone when he was about three years old, and played the trumpet in his junior high school's brass band.[2] As an information engineering student at Kyoto University, he developed an interest in composing music as a member of the amateur circle "Yoshida Music Factory" (吉田音楽製作所, Yoshida Ongaku Seisakusho).[2]

After his graduation in 1999, he was hired at Namco, where he composed tracks for video game series including Tekken and Kotoba no Puzzle,[2] along with working as an in-house trumpeter for various games. During his time at Namco, he was also a member of Hiroshi Okubo's doujin circle nanosounds, where he contributed original tracks to a number of albums.[3] He would also score the music for the OVA Munto 2: Beyond the Walls of Time using the alias Shinji Ikeda, as he was still employed at Namco at the time.[4] Citing a desire to compose a greater variety of music, he left the company in 2005 to join Monaca, a production group founded the previous year by his former colleague Keiichi Okabe.[5][6]

Kōsaki's first major project with Monaca was the soundtrack for the 2006 anime television series The Melancholy of Haruhi Suzumiya. Series production director Yutaka Yamamoto recommended Kōsaki as the composer for the anime, who found it difficult to get involved in such a large scale project outside of Namco, serving as another reason for quitting the company to join Monaca.[6] An album containing three of his compositions ("God knows...", "Lost my music", and "Koi no Mikuru Densetsu") for the anime sold more than 136,000 copies in Japan and peaked at #5 on the weekly Oricon Singles Chart.[7] "God knows..." in particular has received a lot of acclaim, although Kōsaki found it challenging to compose due to having little experience with band recording and playing guitar.[6]

In 2007, he composed the soundtrack for the anime television series Lucky Star; the series' opening theme "Motekke! Sailor Fuku" peaked at #2 on the chart upon release.[8] It would also go on to win the 2007 Radio Kansai Award, a subset of the Animation Kobe Theme Song Award.[9] He found the workload overwhelming, as prior to joining Monaca he was not used to composing a large amount of tracks under time constraints.[6]

In December 2010, Kōsaki announced an indefinite hiatus from his work due to poor health.[10] He began a second illness-related hiatus in February 2014[11] and returned to work in January 2015.[12]

In 2019, he worked on the anime Beastars, which features gypsy-inspired music.[13] In 2020, a compilation album titled Satoru Kosaki 20th Anniversary Selected Works "DAWN" was released to commemorate 20 years of being a composer. It includes a selection of his most successful songs, while the limited edition release also includes a selection of anime BGM.[14][15]



  Background music composition   Other credits only (e.g. opening/ending themes)

Year Title[16] Notes
2005 Munto 2: Beyond the Walls of Time & theme song "Toki no Kabe o Koete", lyrics; as Shinji Ikeda
2006 The Melancholy of Haruhi Suzumiya & insert songs "God knows...", "Lost my music", and "Koi no Mikuru Densetsu"
2007 Lucky Star & opening theme "Motteke! Sailor Fuku", various insert songs
2008 Penguin Musume Heart opening theme "Ren'ai Jiyū Shoujo"
Sekirei opening theme "Sekirei", ending theme "Dear sweet heart"
Lucky Star OVA
Kannagi: Crazy Shrine Maidens & opening theme "Motto Hade ni ne!", ending themes "Musuhi no Toki" and "Shirigeya no Theme", various insert songs
2009 Sora o Miageru Shōjo no Hitomi ni Utsuru Sekai & insert song "Montaro no Uta"; with Keiichi Okabe, Ryuichi Takada, Keigo Hoashi, and Kakeru Ishihama
The Melancholy of Haruhi-chan Suzumiya & opening theme "Ima Made no Arasuji", ending theme "Atogaki no Yō na Mono"
Nyorōn Churuya-san
The Melancholy of Haruhi Suzumiya second season; & opening theme "Super Driver"
Tenjōbito to Akutobito Saigo no Tatakai with Keiichi Okabe, Ryuichi Takada, Keigo Hoashi, and Kakeru Ishihama
Bakemonogatari & opening themes "staple stable", "Kaerimichi", "ambivalent world", "Ren'ai Circulation", and "sugar sweet nightmare"
2010 The Disappearance of Haruhi Suzumiya with Ryuichi Takada, Keigo Hoashi, and Kakeru Ishihama
Working!! opening theme "Someone Else", ending theme "Go to Heart Edge"
Sekirei: Pure Engagement ending theme "Onnaji Kimochi"
Highschool of the Dead ending theme "Under the Honey Shine"
Ore no Imōto ga Konna ni Kawaii Wake ga Nai & ending theme "Tadaima.", insert song "Meteor Impact"
Star Driver: Kagayaki no Takuto & various insert songs; with Kakeru Ishihama, Ryuichi Takada, Keigo Hoashi, and Keiichi Okabe
2011 Fractale insert song "Hiru no Hoshi"
Wandering Son with Keiichi Okabe and Keigo Hoashi
A Channel & opening theme "Morning Arch", ending theme "Humming Girl"; with Ryuichi Takada, Keigo Hoashi, and Kakeru Ishihama
The Idolmaster opening theme "Ready!!"
2012 Nisemonogatari & opening themes "Futakotome", "marshmallow justice", and "Platinum Disco"
Natsume Yūjin-chō Shi ending theme "Takaramono"
A Channel & smile opening theme "Balloon Theater"
Joshiraku opening theme "Oato ga Yoroshikutte... yo!"
Blast of Tempest ending theme "Happy Endings"
Arata-naru Sekai theme song "Arata-naru Sekai"
Nekomonogatari (Black) & opening theme "perfect slumbers", ending theme "Kieru Daydream"
2013 Star Driver The Movie & insert song "Hikari no Octave"; with Keiichi Okabe, Ryuichi Takada, Keigo Hoashi, and Kakeru Ishihama
Vividred Operation ending theme "Vivid Shining Sky"
Muromi-san opening theme "Nanatsu no Umi yori Kimi no Umi"
Ore no Imōto ga Konna ni Kawaii Wake ga Nai. & insert song "Planet Burst"
Monogatari Series: Second Season & opening themes "chocolate insomnia", "happy bite", "Mōsō Express", "fast love", and "Kogarashi Sentiment", ending theme "Sono Koe o Oboeteru"
2014 The Idolmaster Movie: Beyond the Brilliant Future! theme song "Masterpiece"
Wake Up, Girls! Seven Idols theme song "Tachiagare!", insert song "Ōzora no Prism"
Wake Up, Girls! opening theme "7 Girls War"
Captain Earth insert song "Mugen no Hana"
2016 Kizumonogatari Part 1: Tekketsu with Ryuichi Takada, Keigo Hoashi, and Ken Namba
Monster Strike with Keiichi Hirokawa and Kuniyuki Takahashi
Anne Happy with various others
Kizumonogatari Part 2: Nekketsu & ending theme "étoile et toi"
Monster Strike The Movie with Kuniyuki Takahashi, Ryuichi Takada, and Keiichi Hirokawa
2017 Kizumonogatari Part 3: Reiketsu & ending theme "étoile et toi [édition le blanc]"
Frame Arms Girl opening theme "Tiny Tiny"
Owarimonogatari & opening themes "terminal terminal" and "dreamy date drive"
Wake Up, Girls! New Chapter insert song "Kakeru x Kakeru"
2018 Fate/Extra Last Encore & opening theme "Bright Burning Shout"; with Kakeru Ishihama, Keigo Hoashi, Ryuichi Takada, and Ken Namba
2019 Zoku Owarimonogatari opening theme "07734"
Beastars & ending themes "Le Zoo" and "Floating Story on the Moon"; insert songs "Many Stories" and "A Tale of Moon"; with Ryuichi Takada
2020 Maesetsu![17] with Oliver Good and Keita Inoue

Video games[edit]

  Background music composition   Other credits only (e.g. performances, insert songs)

Year Title[16] Notes
1999 Aqua Rush with Akitaka Tohyama and Yoshihito Yano
2000 Tekken Tag Tournament PS2 version; & trumpet; with various others
2001 Mr. Driller G trumpet
Tekken 4 arcade version; with Yuu Miyake and Akitaka Tohyama
Kotoba no Puzzle: Mojipittan & various insert songs, lyrics, vocals
2002 Tekken 4 PS2 version; with Yuu Miyake, Akitaka Tohyama, Hiroshi Okubo, and Keiki Kobayashi
Taiko no Tatsujin 3 trumpet
Mr. Driller Drill Land trumpet
2003 Yumeria & trumpet, melodica
R: Racing Evolution with Yuu Miyake, Hiroshi Okubo, Akitaka Tohyama, and Koji Nakagawa
2004 Katamari Damacy trumpet
Xenosaga Freaks Xenopittan minigame only; & various insert songs; with Hiroshi Okubo
Kotoba no Puzzle: Mojipittan Daijiten & trumpet, various insert songs, lyrics, vocals; with various others
Tekken 5 arcade version; with various others
2005 Tekken 5 PS2 version; & theme song "Sparking"; with various others
We Love Katamari trumpet
The Idolmaster arcade version; insert song "Mahou wo Kakete!", lyrics
Taiko no Tatsujin: Tobikkiri! Anime Special opening theme "Hibike! Taiko no Tatsujin", trumpet
Tekken: Dark Resurrection with various others
Taiko no Tatsujin: Wai Wai Happy Rokudaime trumpet
Me & My Katamari trumpet
2006 Rappelz with Keiichi Okabe
2007 Kotoba no Puzzle: Mojipittan DS
The Idolmaster Xbox 360 version; insert song "Go My Way!!", trumpet
Beautiful Katamari trumpet
Tekken 6 "Artificial Ruins"
The Promise of Haruhi Suzumiya with Hiromoto Nakaya
2008 Lucky Star: Ryōō Gakuen Ōtōsai opening theme "Hamatte Sabotte Oh My God!"
The Idolmaster Live For You! insert song "My Song"
Kotoba no Puzzle: Mojipittan Wii
Secret Game: Killer Queen [ja] opening theme "Secret Game"
2009 Hatsune Miku: Project DIVA opening theme "The Secret Garden", insert song "Dear Cocoa Girls"
The Idolmaster Dearly Stars theme song "Hello!!"
Sekirei: Gifts from the Future ending theme "Survive Baby Survive!"
2010 Tantei Opera Milky Holmes opening theme "Ameagari no Mirai", ending theme "Kikoenakutemo Arigatо̄"
2018 Monogatari Series PucPuc theme song "wicked prince"
2019 Bai Wen Pai with Ryuichi Takada


Year Title[16] Notes
2006 The Idolmaster Radio radio show; theme songs "Urgent!!" and "Okey-dokey"
2007 The Idolmaster Radio For You! Internet radio show; theme song "FO(U)R"
2010 Watashi no Yasashikunai Senpai [ja] live-action film; opening theme "Maji de Koi suru 5 Byōmae Dai Daisuki"
2018 Mangan [ja] television drama; background music for episodes 1 and 2
2019 Inakunare, Gunjo [ja] live-action film; with Kuniyuki Takahashi


  1. ^ "スタッフ" [Staff]. 私の優しくない先輩 [Watashi no Yasashikunai Senpai] (in Japanese). Retrieved 16 February 2020.
  2. ^ a b c "神前暁" [Satoru Kōsaki]. Steinberg (in Japanese). Retrieved 16 February 2020.
  3. ^ "nanosounds official website". nanosounds (in Japanese). Archived from the original on August 29, 2005. Retrieved February 17, 2020.
  4. ^ "「音人工房」 神前 暁" (in Japanese). Retrieved 25 February 2020.
  5. ^ "アニメに欠かせないサウンドを手掛けるMONACAに聞く、気鋭のサウンドクリエイター集団の過去から現在まで【MONACAインタビュー前編】". WebNewtype (in Japanese). Retrieved 16 February 2020.
  6. ^ a b c d "【インタビュー】素晴らしい作品との出会いに感謝を。作曲家20周年、神前 暁と振り返る自分クロニクル - ライブドアニュース". livedoor news. 2020-06-17.
  7. ^ "Haruhi CD Stays on Japanese Singles Chart for 100th Week". Anime News Network. 2008-07-18. Retrieved 2008-07-18.
  8. ^ "Lucky Star Special Edition DVD Flies off Shelves in Akiba". Anime News Network. June 27, 2007. Retrieved 2007-06-27.
  9. ^ "Ghibli's Takahata, Paprika, Geass Win Anime Kobe Awards". Anime News Network. 2007-09-27. Retrieved 2009-04-18.
  10. ^ Loo, Egan (7 December 2010). "Haruhi Composer Satoru Kousaki on Hiatus Due to Health". Anime News Network. Retrieved 16 February 2020.
  11. ^ "Monaca Composer Satoru Kousaki Goes on Hiatus Due to Health". Anime News Network. 24 February 2014. Retrieved 24 February 2020.
  12. ^ Nelkin, Sarah (1 January 2015). "Monaca Composer Satoru Kousaki Recovers From Illness, Returns to Work". Anime News Network. Retrieved 16 February 2020.
  13. ^ Lehecka, Eddie (11 February 2020). "Interview With BEASTARS Composer Satoru Kosaki: Music Inspiring Instinct". OTAQUEST. Retrieved 25 February 2020.
  14. ^ Dennison, Kara (29 November 2019). "Haruhi and Monogatari Composer Releases 20th Anniversary Collection". Crunchyroll. Retrieved 25 February 2020.
  15. ^ "神前暁 作曲家デビュー20周年記念CD「神前 暁 20th Anniversary Selected Works "DAWN"」". Satoru Kosaki 20th Anniversary Selected Works "DAWN".
  16. ^ a b c "WORKS - 神前 暁". MONACA (in Japanese). Retrieved February 13, 2020.
  17. ^ Sherman, Jennifer (1 November 2019). "High School Fleet's Yuu Nobuta Directs Original Maesetsu! Anime". Anime News Network. Retrieved 16 February 2020.

External links[edit]