Hello! Project Wiki
Hello! Project Wiki

Yamao Masato, 2003

Yamao Masato (山尾正人) is a Japanese keyboardist, arranger, composer, recording director, and chorus singer. He is currently the main recording director for Kobushi Factory and Tsubaki Factory.[1][2] He also used to work on Berryz Koubou, ℃-ute, and Country Girls recordings.[3][4]

Aside from the music industry, Yamao makes leather and rust coat accessories under the business name Bestie'z Craft Factory.[5]


Yamao Masato was born on September 9, 1970 in Nara, Japan.[6]

From 1985 to 1990, Yamao was a keyboardist in a band. Then in 1991, he formed a new band named Dori-Para. They moved to Osaka, where they performed about 50 lives a year until they disbanded in 1996 after releasing a total of four CDs.

In 1997 and 1998, he worked as a freelance music writer, mainly for commercials and Yoshimoto Kogyo.

In 1999, Yamao continued live activities as a supporting keyboardists for many major artists. He also formed a new band named SURVIVAL CANDY.

It was in the year 2000 that Yamao moved to Tokyo in order to further his creative music career and become an arranger.

In 2001, he withdrew from SURVIVAL CANDY and started composing music.

In 2003, Yamao started working as a sound/recording director.


  • Name: Yamao Masato (山尾正人)
  • Nickname: Masato[7]
  • Birthdate: September 9, 1970 (1970-09-09) (age 51)
  • Birthplace: Nara, Japan
  • Blood Type: O[6]
  • Western Zodiac: Virgo.svg Virgo
  • Eastern Zodiac: Dog.png Dog

Song Credits[]

Abe Natsumi[]


Berryz Koubou[]


Coconuts Musume[]

Country Girls[]


Douyou Pops[]


Kobushi Factory[]

Melon Kinenbi[]


Morning Musume[]

Morning Musume Otome Gumi[]

Tsubaki Factory[]




  1. HELLO! PROJECT COMPLETE SINGLE BOOK 20th Anniversary Edition. Ongaku Shuppansha. Published 2018-04-02.
  2. Translated by Henkka. "Hello! Project COMPLETE SINGLE BOOK 20th Anniversary Edition Roundtables: The Recording Directors." Wota in Translation. 2018-05-06.
  3. HELLO! PROJECT COMPLETE ALBUM BOOK. Ongaku Shuppansha. Published 2015-03-18.
  4. "Hello! Project COMPLETE ALBUM BOOK Roundtables: The Recording Directors." Wota in Translation. 2016-12-21.
  5. "MASATO LAND Bestie'zCraftFactory" (in Japanese).
  6. 6.0 6.1 "Profile" (in Japanese). MASATO WEB SITE. Archived.
  7. "MASATOのプロフィール" (in Japanese). Ameba.

External Links[]