- Sep 6 William Henry Harris, English composer, dies at 90
- Sep 12 Eduard Flipse, Dutch conductor and composer, dies at 77
- Sep 15 Victor Jara, Chilean folk singer-songwriter, and political activist, killed by Augusto Pinochet's military interrogators at 40
- Sep 17 Hugo Winterhalter, American composer, dies at 63
- Sep 19 Gram Parsons [Cecil Ingram Connor III], American country-rock singer-songwriter (Byrds - Sweethearts of the Rodeo; Flying Burrito Brothers; "Grievous Angel"), dies of a drug overdose at 26
- Sep 20 Ben Webster, American jazz tenor saxophonist, dies at 64
- Sep 20 Jack Marshall, American jazz and session guitarist, film and television composer, arranger, and record producer (Capitol Records), dies at 51
Jim Croce (1943-1973)
Sep 20 American singer-songwriter ("Time in a Bottle"; "Bad, Bad Leroy Brown"), dies in a plane crash at 30