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Bumpy Urushi is one of the veteran producers who has been active since the early days of VOCALOID boom. He mainly produces trance music, but he can also perform the cello and the Okinawa samisen.

He is also known as Yakiimo-P (ヤキイモP, lit. Sweet Potato-P), a P-name given to him after the song "Yakiimo", which he made for Miku, however he doesn't use this name very often. He has his own YouTube channel named "bumpyurushi". However, it has less works uploaded compared to his Nico Nico Douga channel.

He is a known programmer as he is responsible for the creation of the "SequencerPlus" series which includes the "Lily Sequencer" (included in the DVD Anim.o.v.e 02) and the "YuyuSequencer" of Yuzuki Yukari.

He has produced albums in the past under his own independent label called "BumpyRecords" (together with Nagimiso.SYS).

He is currently a part of Vocalomakets, and is a member of a band called "1mm♪".

STATUS:September 2007 → Present
Bumpy Urushi icon.jpg
LABELS:BumpyRecords (Independent)
ASSOCIATIONS:Vocalomakets, Nagimiso.SYS
OFFICIAL:Official site, Bumpy Factory Corporation
URL(s)Channel: YouTube Nico Nico
PLAYLIST(s):(Playlist / Nico Nico Douga List)
WORKS: (Upload date)
  1. "Sora (Revision)" (Miku) (Sep.22.2007)
  2. "Yakiimo" (Miku) (Oct.01.2007) (Re-uploaded in Oct.14.2007)
  3. "Miku Sequencer" (Miku) (Oct.24.2007)
  4. "Asa no Jikan (Demo ver.)" (Rin) (Dec.28.2007)
  5. "Asadoya Yunta" (Rin) (Jan.08.2008)
  6. "Asadoya yunta (Yaeyama ver.)" (Rin) (Jan.26.2008)
  7. "Asa no Jikan (Full ver.)" (Rin) (Jan.30.2008)
  8. "Lilith/Electro (ver. short)" (Miku) (Feb.23.2008)
  9. "Lilith/Electro (ver. full)" (Miku) (Apr.08.2008)
  10. "Yakiimo GT" (KAITO) (Apr.18.2008)
  11. "Asa no Jikan (ACT2)" (Rin) (Jul.18.2008)
  12. "Back in the USSR" (Miku) (Song of The Beatles) (Jul.22.2008)
  13. "Back in the USSR" (Gackpo) (Song of The Beatles) (Aug.02.2008)
  14. "Luna - Umino Yousei (Cello performance)" (Miku) (Sep.01.2008)
  15. "Sora (techno mix)" (Miku) (Sep.15.2008)
  16. "Breath" (Miku, Gackpo) (Nov.27.2008)
  17. "Breath (HQ ver.)" (Miku, Gackpo) (Dec.02.2008)
  18. "Yotsuba no Clover (Cello performance)" (Rin) (Dec.26.2008)
  19. "Suka tto Nobori-bou (Nobori-bou No.15)" (Gackpo, KAITO) (Jan.05.2009)
  20. "Lilith/Electro (AntiochiaMIX) (Demo)" (Luka) (Jan.31.2009)
  21. "Lilith/Electro (AntiochiaMIX) (Full)" (Luka) (Jul.07.2009)
  22. "Wan Wan Oh!" (GUMI) (Aug.04.2009)
  23. "A・Re・Re" (GUMI) (Nov.03.2009)
  24. "Ryuu Ten ni Noboru" (miki) (Dec.04.2009)
  25. "Setsugetsuka" (Yukari) (Dec.22.2011)

Songs / Featured Works[]

龍天に登る (Ryuu Ten ni Noboru)

Uploaded 2009.12.03 Featuring SF-A2 miki
Music Bumpy Urushi (music, sanshin, cello), PYS/Paya-P (violin), Tetare-P (tabla) Main article 龍天に登る (Ryuu Ten ni Noboru)
Lyrics Bumpy Urushi, sista
Video Acha

紲月歌 (Setsugetsuka)

Uploaded 2011.12.22 Featuring Yuzuki Yukari
Music Bumpy Urushi Main article 紲月歌 (Setsugetsuka)
Lyrics sista
Video sforza_t (movie)
The song first appeared as a demo on Vocalomakets' official website. Later, Bumpy uploaded the full version onto NND on December 22, 2011.
This song has entered the Hall of Fame.


Hana album.jpg
Title Hana    
Producer Bumpy Urushi x Nagimiso.SYS  
Release Date November 30, 2008  

Compilation Albums[]

  • VOCALOID2 MAXI Single Vol. 1 ~みっくみくCDにしてやんよ~ -Released: November 30, 2007
    (Song(s) featured: ヤキイモ)
  • ハイテン★ガール -Released: November 15, 2009
    (Song(s) featured: A・Re・Re)
  • Try! -Released: August 14, 2010
    (Song(s) featured: ブラトップ☆ラブ)
  • 音色 feat.VY1 -Released: November 14, 2010
    (Song(s) featured: 龍天に登る)
  • Color palette -Released: October 12, 2013
    (Song(s) featured: 仏説聖不動経)