Performed by the Glee Cast, this recording of 'Leaving On A Jet Plane' serves as a poignant centerpiece on the first season of the television series. The track adapts the classic song, originally popularized by the Peter, Paul and Mary trio in 1970, into a contemporary pop-rock arrangement that defines the show's early musical identity. By blending the original's melancholic melody with the ensemble's harmonies, the recording captures the emotional weight of farewells and nostalgia. It remains a staple of the series' soundtrack, illustrating how the Glee Cast successfully revitalized mid-century standards for a modern audience while maintaining the song's core themes of parting and memory.