Metal Storm logo
Koshi Inaba


1988- B'z - vocals  
1997- Koshi Inaba - vocals  

Live musician

2010 Slash - vocals  

Guest musician

1999 Steve Vai - vocals  
2010 Slash - vocals  

Personal information

Born on: 23.09.1964

Koshi Inaba is from Okayama prefecture. He graduated Yokohama National University with a license to be a teacher but he decided to follow his will to be a vocalist. He formed B'z with Tak Matsumoto and made his debut in 1988. Koshi is the vocalist of B'z and writes all the lyrics.