Milestones is a bebop composition by John Lewis, not to be confused with the later and more widely known Miles Davis composition of the same name from 1958. This earlier Milestones was recorded in 1947 for Savoy Records by the Miles Davis All Stars, with Miles Davis on trumpet, John Lewis on piano, and Charlie Parker in a rare appearance on tenor saxophone rather than his usual alto. The session was part of a productive period of recording for Savoy that yielded several important early bebop documents. Lewis, who would go on to found and lead the Modern Jazz Quartet, was at this point developing the compositional voice that would later produce celebrated works like Django and Delaunay's Dilemma. His writing characteristically blended lyrical melodic sensibility with blues feeling and classical structural awareness, qualities already evident in this early work. The 1947 recording is historically significant as one of the first sessions led by Miles Davis as a bandleader, documenting his transition from sideman in Charlie Parker's groups to leader in his own right. The composition is preserved on The Complete Savoy and Dial Master Takes, which collects these foundational bebop sessions in their entirety. The tune remains a document of the close creative exchange between Davis, Lewis, and Parker during a pivotal moment in jazz history.