B’z (ビーズ, Bi-zu) is a Japanese rock duo, consisting of guitarist, composer and producer Takahiro “Tak” Matsumoto (松本孝弘, Matsumoto Takahiro) and Koshi Inaba (稲葉浩志, Inaba Koushi) as vocalist and lyricist. B’z is one of the best-selling music artists in the world, the best-selling in their native Japan, having released 46 consecutive No. 1 singles, 25 … More Japanese Music: B’z (ビーズ)