Sam Rivers was an influential American jazz musician, known primarily for his work as a saxophonist and composer. Born on September 15, 1923, in El Reno, Oklahoma, he became a prominent figure in the avant-garde jazz scene. Rivers played various instruments, including the tenor saxophone, soprano saxophone, and flute, and was recognized for his innovative improvisational style. Throughout his career, Rivers collaborated with many notable artists, including Miles Davis and Bill Evans. He was also a key member of the New York jazz community and contributed to the development of free jazz. Rivers released numerous albums as a bandleader and was celebrated for his unique approach to composition and performance.