The Four Freshmen's 1960 recording of 'When Your Lover Has Gone' stands as a defining moment in vocal jazz history. This track, originally composed by George Gershwin and Ira Gershwin for their 1934 film 'A Damsel in Distress,' showcases the group's signature smooth, polyphonic arrangement. The song features the distinctive 'call and response' technique where the group harmonizes in unison before splitting into individual lines, a hallmark of their style. Released on the Prestige label, the recording captures the group at the height of their influence, blending classical sensibilities with contemporary jazz improvisation. It remains a staple of the vocal jazz repertoire, celebrated for its emotional depth and technical precision, often cited as a model for ensemble vocal performance.