Tetsuo Sakurai (櫻井(桜井) 哲夫, Sakurai Tetsuo, born 13 November 1957) is a Japanese bassist. To date, he has released a total of 37 albums as a member of Casiopea and Jimsaku and solo artist, and has also made 3 bass instructional videosTetsuo Sakurai started playing bass when he was 13 years old.In 1976, Sakurai, with Issei Noro, founded jazz fusion band Casiopea. He released 19 albums while in Casiopea but later left the band with Akira Jimbo in 1989 over musical differences. Both of them then went on to form a new jazz fusion supergroup, Jimsaku. Jimsaku was active for nine years, until 1998, when it was disbanded and both Sakurai and Jimbo went on to pursue individual solo careers.