American singer-songwriters Tom Petty (left) and Bob Dylan with the band 'Traveling Wilburys', performing on stage in 1987. (Photo by Dave Hogan/Hulton Archive/Getty Images)
American rock group The Doors L-R John Densmore, Jim Morrison, Ray Manzarek and Robby Krieger pose for an Electra Records publicity still circa 1969. (Photo by Electra Records/Michael Ochs Archives/Getty Images)
From left, Paul McCartney (playing a Hofner 500/1 violin bass guitar) and John Lennon (playing a Gibson J-160E acoustic guitar) of English rock and pop group The Beatles perform on stage for the American Broadcasting Company (ABC) music television show 'Shindig!' at Granville Studios in Fulham, London on 3rd October 1964. The band would play three songs on the show, Kansas City/hey-Hey-Hey!, I'm a Loser and Boys. (Photo by David Redfern/Redferns)
English singers, musicians, and songwriters Mick Jagger (at microphone), Keith Richards and Bill Wyman (far right) of the rock band 'The Rolling Stones,' perform on stage at Madison Square Garden, November 28, 1969. Jagger stands with his hands on his hips, eyes closed, and lips pursed together as he sings. (Photo by David Fenton/Getty Images)
The Beatles rehearse at the ABC Theatre, Blackpool for the group's bill-topping appearance on ABC TV's Blackpool Night Out, 1 August 1965. Left to right: George Harrison, Paul McCartney, John Lennon, and Ringo Starr. (Photo by Daily Mirror/Daily Mirror/Mirrorpix via Getty Images)
