Prism is a jazz composition by Keith Jarrett, originally part of his European Quartet repertoire in the late 1970s. It appears on the 1984 ECM album Changes, performed by the Standards Trio - Keith Jarrett on piano, Gary Peacock on bass, and Jack DeJohnette on drums, and runs 6 minutes 31 seconds. Changes was recorded January 11-12, 1983 in New York and released in September 1984. The tune was later documented by Jarrett's European Quartet in 1979, with releases on Personal Mountains (1989) and Sleeper (2012).
