Colorado – 1975: (L-R) Olivia Newton-John, John Denver appearing in the ABC tv special 'Rocky Mountain Christmas'. (Photo by Walt Disney Television via Getty Images)
UNITED KINGDOM – APRIL 01: Photo of John DENVER; performing on 'The John Denver Show' BBC TV show – MusicBrainz: 34e10b51-b5c6-4bc1-b70e-f05f141eda1e, (Photo by Tony Russell/Redferns)
AMSTERDAM, NETHERLANDS – JULY 08: John Denver performs live at the Jaap Eden Hall in Amsterdam, Netherlands on July 08 1979 (Photo by Gijsbert Hanekroot/Redferns)
