B'z

B'z (Japanese: ビーズ, Hepburn: Bīzu) is a Japanese rock duo consisting of guitarist, composer and producer Takahiro "Tak" Matsumoto and vocalist and lyricist Koshi Inaba, known for their energetic hard rock tracks. B'z is one of the best-selling music artists in the world and the best-selling in their native Japan by certifications, having released 50 consecutive No. 1 singles, 27 No. 1 albums, and 4 No.