"The Theme" is a composition by Miles Davis based on the chord changes of George Gershwin's "I Got Rhythm." Davis wrote the piece as a functional head arrangement designed to open and close live performances, serving as a musical signal to the audience and band members that a set was beginning or ending. The melody is a brisk, angular bebop line played in unison by the horn section, sitting atop the familiar rhythm changes progression that had been a staple of jazz improvisation since the 1930s. As a contrafact on "I Got Rhythm," the composition joins a long tradition of jazz tunes built on those changes, including Charlie Parker's "Anthropology" and Sonny Rollins's "Oleo," though "The Theme" is distinguished by its utilitarian role in Davis's working bands. The piece became closely associated with Davis's groups of the mid-1950s through the 1960s, particularly the first great quintet with John Coltrane, Red Garland, Paul Chambers, and Philly Joe Jones. On live recordings from this era, the tune appears repeatedly as a bookend to sets, sometimes played in abbreviated or fragmentary form. While not composed as a showcase for extended soloing, "The Theme" occasionally served as a blowing vehicle, with rhythm section members in particular taking opportunities to solo over the familiar changes. Its significance lies more in its role within Davis's performance practice than as a standalone composition, representing the bandstand conventions of the hard bop era.