In commemoration of what would have been Harry Chapin’s 80th birthday this Tuesday, movie theaters around the world will screen the 2020 documentary Harry Chapin: When in Doubt, Do Something. All ticket proceeds will go to The Harry Chapin Foundation, Long Island Cares and WhyHunger, the nonprofit organization he co-founded. The documentary features interviews with Bruce Springsteen, Billy Joel, Graham Nash, Pat Benatar, Chicago's Robert Lamm, Bob Geldof and many others. Chapin was killed in a car accident in 1981. He was 38.