Portrait of British pop group The Beatles (L-R) Paul McCartney, George Harrison (1943 – 2001), Ringo Starr and John Lennon (1940 – 1980) at the BBC Television Studios in London before the start of their world tour, June 17, 1966. (Photo by Central Press/Getty Images)
Dave Davies, drum player of the British rock band The Kinks, on the stage of the Olympia Hall in Paris in 1964. (Photo by: Photo12/Universal Images Group via Getty Images)
BOSTON, MASSACHUSSETTS – Paul McCartney, left, and Bob Weir perform together at Fenway Park on July 17, 2016, in Boston, Massachusetts. (Image courtesy of Paul McCartney/Facebook)
Bill Kreutzman and Bob Weir of The Grateful Dead perform during the "Fare Thee Well, A Tribute To The Grateful Dead" on July 3, 2015 in Chicago, Illinois. (Photo by Jeff Kravitz/FilmMagic)
Paul McCartney performs in concert at Fenway Park in Boston on July 17, 2016 / Guitarist Bob Weir of Dead and Company performs at Shoreline Amphitheatre on July 30, 2016 in Mountain View, California (Photo by Matthew J. Lee/The Boston Globe via Getty Images; Photo by John Medina/WireImage)
DENVER, COLORADO – Bob Weir plays rhythm guitar in a Grateful Dead concert at McNichols Sports Arena on December 13, 1990 in Denver, Colorado. The Dead was founded and led by singer-songwriter and lead guitarist Jerry Garcia until his death (8-9-95). The band was representative of the counterculture of the 1960s. (Photo by Mark Junge/Getty Images)
English drummer Aynsley Dunbar, of the American rock band Journey, performs at Day on the Green #5, during the 1978 Infinity Tour on September 2, 1978 at the Oakland-Alameda County Coliseum in Oakland, California. (Photo by Randy Bachman/Getty Images)
British rock group the Beatles in costume for 'The Beatles Christmas Show' at the Astoria Cinema, Finsbury Park, London, on New Years Eve, 31st December 1963. From left to right, George Harrison, Paul McCartney and John Lennon, with Ringo Starr at the back. The show continued until 11th January 1964. (Photo by Evening Standard/Hulton Archive/Getty Images)
