UNITED KINGDOM – MARCH 31: WEMBLEY ARENA Photo of Johnny CASH, Johnny Cash performing on stage at the Country Music Festival (Photo by David Redfern/Redferns)
American singer-songwriter and musician Kris Kristofferson performs at 'The Music for UNICEF Concert: A Gift of Song' benefit concert, held at the United Nations General Assembly in New York City, 9th January 1979. (Photo by Michael Putland/Getty Images)
