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CircusP (サーカス), formerly known as DoofusP (デュファスP), CheezItsAreYummy, and (matt9five) debuted August 2009. He is a Western producer, illustrator, and UTAU voice provider of Aido Ishiame and Genne Setto, and creator of Chii Feirune. Some of his original works have appeared on Weekly VOCALOID Ranking. He has also created a few UTAU voice banks such as .

He took first place in the HATSUNE MIKU EXPO SONG CONTEST with his song "Ten Thousand Stars".


Past worksEdit

Main articles: /Works, 2009, /Works, 2010, /Works, 2011, /Works, 2012, /Works, 2013, /Works, 2014, /Works, 2015, /Works, 2016, /Works, 2017, and /Works, 2018

Current worksEdit

Links Title Featuring Date Roles
Castaway DAINA March 23, 2019 music, lyrics
Quicksand KAITO April 27, 2019 music, lyrics
[yt] "EVERGREEN" Megurine Luka, Hatsune Miku, GUMI, CYBER DIVA, SONiKA, AVANNA, RUBY, Kagamine Rin, DAINA May 27, 2019 music, lyrics, illust
[yt] "Nana" Macne Nana June 27, 2019 music, lyrics, illust, PV
[yt] "The Start" MEIKO July 31, 2019 music, lyrics


Affiliation Title Featuring Date Roles
Independent "album" (aiSeNMa) SONiKA August 21, 2011 producer, album art
Independent "iNSaNiTY -EP DLX" SF-A2 miki and KAITO August 21, 2011 producer, album art
Independent "album" (CiRCuS MoNSTeR) Megurine Luka September 13, 2011 producer, album art
Independent "Amai Kotoba" (甘い言葉) GUMI December 6, 2011 producer, album art
Independent "EP" (Leaving Donna) Hatsune Miku, SeeU, CUL, and Macne Sasayaki Nana June 7, 2012 editing, tuning
Independent "Lucid" GUMI, Megurine Luka, IA, KAITO, SF-A2 miki, VY1, SONiKA, Tonio, LEON, Ishiame Aido, and CircusP August 3, 2012 producer
Independent "Cupcake EP" Megurine Luka, IA, KAITO, SF-A2 miki, AVANNA, LEON, and LOLA August 1, 2013 producer, album art
Independent "FIVE" Hatsune Miku, Yuzuki Yukari, SONiKA, and Takoe Zuii April 11, 2014 producer
Independent "715" Megurine Luka, GUMI, Kagamine Rin, DEX, Hatsune Miku, KAITO, DAINA, Kagamine Len, CircusP, and nostraightanswer July 15, 2017 producer


Affiliation Title Featuring Date Roles
TamStar Records "TamStar Records presents ALL VOCALOID ATTACK #2" GUMI, IA, KAITO, Lily, Ryuto, VY2, and Aoki Lapis December 29, 2013 music, lyrics
Warner Music Group (Japan) "Download feat. 初音ミク" Hatsune Miku, Kagamine Len, Kagamine Rin, GUMI, Megurine Luka, KAITO, MEIKO, and Kasane Teto December 10, 2014 tuning, mastering
EXIT TUNES "EXIT TUNES PRESENTS Entrance Dream Music" Hatsune Miku, Kagamine Rin, GUMI, MEIKO, MAYU, Lily April 15, 2015 music
ABCD Project and affiliates "The Lady and the Silver Circle" MIRIAM, MAIKA, LOLA, KAITO July 26, 2017 acoustic guitar render
none "MΛIKAVΞRSE" MAIKA January 9, 2018 music, lyrics




On May 4, 2011, CircusP deleted many of his YouTube videos and later closed his YouTube and deviantART accounts. These sudden actions were due to the use of POCALOID for these songs, and he wanted a hiatus for maturity. CircusP eventually reactivated his deviantART account, made a new YouTube account with a humorous username, and is currently uploading videos using legal software.


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