Mu (album)

Mu is the fifth studio album by Japanese jazz fusion group Casiopea, released in 1980. The album is notable for its blend of complex jazz harmonies with accessible melodies and its prominent use of synthesizers alongside traditional jazz instruments. "Mu" is considered one of Casiopea's defining works and a cornerstone of the Japanese fusion scene.

The album features the lineup of Issei Noro (guitar), Minoru Mukaiya (keyboards), Tetsuo Sakurai (bass), and Akira Jimbo (drums). Its tracks include compositions known for their intricate arrangements, virtuoso performances, and bright, upbeat energy. "Mu" remains a popular and influential album within the fusion genre.