Japanese singer and multi-instrumentalist best known as one half of the acclaimed hard rock duo B'z.
He joined Yokohama National University's Faculty for Education with the intention of becoming a math teacher in 1983.
He sang on the Slash song Sahara, which won the award for Western Single of the Year 2010 at the Japan Gold Disc Awards.
His first wife was an airplane stewardess.
He sang on the Steve Vai song Asian Sky in 1999.