LOS ANGELES – AUGUST 22: American folk-pop musicians (from left) Art Garfunkel and Paul Simon, of the duo Simon and Garfunkel, sing and play guitar as they perform on the CBS variety program 'The Red Skelton Hour,' USA, August 22, 1966. (Photo by CBS via Getty Images)
The Rolling Stones in a television studio- Bill Wyman, Brian Jones, Mick Jagger, Keith Richards and Charlie Watts, 1965. (Photo by Michael Ward/Getty Images)
NEW YORK – MARCH 28: Musician Van Morrison plays a Martin acoustic guitar at a Bang Records recording session in the studio on March 28, 1967 in New York, New York. (Photo by PoPsie Randolph/Michael Ochs Archives/Getty Images)
