B'z

B'z is a Japanese rock duo, consisting of guitarist, composer and producer Takahiro "Tak" Matsumoto (松本 孝弘 Matsumoto Takahiro) and vocalist and lyricist Koshi Inaba (稲葉 浩志 Inaba Kōshi), known for their energetic hard rock tracks and pop rock ballads. B'z is one of the best-selling music artists in the world and the best-selling in their native Japan, having released 49 consecutive No. 1 singles, 25 No. 1 albums, 3 No. 1 EPs on the Oricon music charts and sold more than 100 million records worldwide.