Prism

Prism is a cornerstone of the Japanese jazz fusion (J-Fusion) movement, formed in 1975 by guitarist Akira Wada and bassist Ken Watanabe. Emerging during a fertile period for instrumental music in Japan, they bridged the gap between the psychedelic experimentation of the early 70s and the polished, commercial fusion of the 1980s.

The band's lineup has been a revolving door of Japan's elite session musicians, including members who played with Casiopea and T-Square. Their sound identity is anchored by Wada's 'holdsworth-ian' legato technique and the use of cutting-edge synthesizer technology of the era. Critically, they are respected for maintaining a higher level of rock-influenced aggression compared to their smoother contemporaries. They remain a primary influence on the modern math-rock and 'J-Music' scenes, cited for their technical precision and melodic sensibility. Their career arc shows a transition from dense, progressive compositions to a more streamlined, 'Blue' and 'Green' era aesthetic in the late 80s, though they never abandoned their core technical virtuosity.