Koshi Inaba is a Japanese singer and songwriter, best known as the lead vocalist of the rock band B'z. Born on September 23, 1964, in Okayama, Japan, he has gained fame for his powerful voice and dynamic stage presence. Inaba has also pursued a successful solo career, releasing multiple albums and singles that showcase his versatility as an artist. In addition to his music career, Inaba has collaborated with various artists and contributed to soundtracks for films and television. His work has earned him numerous awards and accolades, solidifying his status as one of Japan's most influential musicians.