KBB is a Progressive Rock/Jazz Fusion quartet from Tokyo, Japan. They were forme in 1992, and released their first album in 2000 on the Musea record label. Their members are: Akihisa Tsuboy (violin, composer), Toshimitsu Takahashi on Keyboards, Dani (using only one name) on Bass, and Shirou Sugano on drums. They have recorded four albums since 2000: