California composer Terry Riley launched what is now known as the Minimalist movement with his revolutionary classic "In C" in 1964. This seminal work provided the conception for a form comprised of interlocking repetitive patterns that was to change the course of 20th century music and strongly influence the works of Steve Reich, Philip Glass and John Adams as well as rock groups such as The Who, The Soft Machine, Tangerine Dream and many others. This CD brings together four seminal tape works of Terry Riley. Finally back in print, the package features new artwork and recently discovered photos of the 1963 Paris performance of "The Gift" with Chet Baker.