Assistir Assistir PobreTV. The Seatbelts is a Japanese blues/jazz band led by composer and instrumentalist Yoko Kanno. The band performed the whole soundtrack of the anime series Cowboy Bebop and produced a total of seven albums and one live DVD. Their style is very diverse and ranges from straightforward big band jazz, blues, acoustic ballads, hard rock, country, funk to electronic, hip-hop and experimental compositions/elements.