Koshi Inaba (稲葉浩志, born on September 23, 1964 in Tsuyama, Okayama Prefecture) is a Japanese vocalist. His real name is Hiroshi Inaba (稲葉浩志). He graduated from the Department of Education at the prestigious Yokohama National University. He has a degree in mathematics.
He is the singer for the legendary Japanese Rock and Roll Band, B'z. Their debut was in 1988, and he also started his solo career in 1997 with "Magma".
His musical influences are Deep Purple, Led Zeppelin, Aerosmith, Queen, Guns N' Roses. He respects David Coverdale, Robert Plant, and especially Steven Tyler as vocalists. He is a fan of Elvis Presley.
As a vocalist, he is known for his wide ranging vocals, covering from F2(lowF) to B5(hihiB) which emphasize his lyrics. He is an alto/counter-tenor.
The topics of his lyrics include social issues (Liar! Liar!), war (Ai to Nikushimi no Hajimari), peace (ROOTS), lost love and loneliness (Itsuka no Merry Christmas). He is also well known for being very active in live performances. He often speaks to the audience during the Live Gyms.
Inaba sang on the Steve Vai song "Asian Sky" from the album The Ultra Zone in 1999. He has played with overseas musicians such as Greg Upchurch (Puddle of Mudd), Stevie Salas, and others.
Singles
Tooku Made (16 December 1998)
KI (11 June 2003)
Wonderland (14 July 2004)
Okay (23 June 2010)
Albums
Magma (29 January 1997)
Shian (9 October 2002)
Peace of Mind (22 September 2004)
Hadou (18 August 2010)