OPSB (One Piece Session Band) is a three piece band and with the numbers Yoshiharu Yoshida (Flute, Pianica, Synth), Ponchi (Guitar, MPC), Ryunoshin (Bass). Slum Jazz Punk is not only punk rock but also free jazz. It's not standard 4-beat dance music, spreading out to another genres. The remixer is Tadashi Yabe who is the member of UFO (United Future Organization). Swinging beat and acoustic guitar are in the Portuguese "Sessão No Céu". It's suited for listening and the dance floor!