American musicians Paul Simon (left) and Art Garfunkel of the folk duo Simon & Garfunkel perform together on a television show at BBC Television Centre in London in 1967. (Photo by David Redfern/Redferns)
LONDON, UNITED KINGDOM – JULY 29: Guitarist Randy California of American rock band Spirit performs on stage at the 'It's Only Rock N Royal' concert at Crystal Palace Bowl on July 29th, 1981 in London, England. (Photo by Pete Still/Redferns)
John Lennon (left) and Paul McCartney of English beat group the Beatles hold a press conference at the Americana Hotel in New York City to announce their new venture, Apple Corps, 14th May 1968. Behind Paul are producer Denis O'Dell (left) and manager Ron Kass. (Photo by Don Paulsen/Michael Ochs Archives/Getty Images)
The Rolling Stones taken in the 1960s, from left to right, Brian Jones, Keith Richards, Mick Jagger, Bill Wyman and Charlie Watts.; (Photo by King Collection/Avalon/Getty Images)
The Rolling Stones pose during the production of their music video for 'It's Only Rock 'n Roll (But I Like It)' in June 1974 in London, England. The video was directed by Michael Lindsay-Hogg. From left to right, Mick Taylor, Mick Jagger, Keith Richards, Charlie Watts and Bill Wyman. (Photo by Michael Putland/Getty Images)
UNITED KINGDOM – JANUARY 11: January 11, 1967. The ROLLING STONES, composed from left to right of the drummer Charlie WATTS, the singer Mick JAGGER, the bass player Bill WYMAN and the guitarists Keith RICHARD and Brian JONES taking a walk through Green Park, London. The ROLLING STONES left a few days later for the United States to appear on the ED SULLIVAN show. Their album "BETWEEN THE BUTTONS'' came out on January 27. (Photo by Keystone-France/Gamma-Keystone via Getty Images)
"The Mamas and the Papas", folk rock group, during their guest appearance on the "Ed Sullivan Show" TV Program. From left to right, Michelle Phillips, Cass Elliot, Dennis Doherty, and John Phillips. Photo by Bettman/Getty Images
NASHVILLE – CIRCA 1960: Country singer and actor Jim Reeves poses for a portrait circa 1960 in Nashville, Tennessee. (Photo by Michael Ochs Archives/Getty Images)
