B'z

B'z 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 and pop rock ballads. B'z is one of the best-selling music acts in the world, as well as the best-selling in their home country of Japan, having released 49 straight No. 1 singles, 25 No. 1 albums, and three No. 1 EPs on the Oricon music charts and selling over 100 million records worldwide.

HMV Japan placed them 30th on their list of the 100 most important Japanese pop acts in 2003. B'z was the first Asian music artist to have their handprints and autographs displayed on Hollywood's RockWalk in 2007. They were granted a Guinness World Record in 2008 for "Top selling record act in Japan", as well as being the best selling act in Japan overall. According to AllMusic, they are the "largest rock act in Japan and the rest of Asia".