Circa 1967, American singer Janis Joplin (1943 – 1970) closes her eyes and outstretches her arms during a performance, late 1960s. (Photo by Getty Images/Getty Images)
The Beatles, from left to right: Paul McCartney, George Harrison (1943 – 2001), John Lennon (1940 – 1980) and Ringo Starr, jump for joy during a rehearsal for the Royal Command Performance at the Prince of Wales Theatre. (Photo by Fox Photos/Getty Images)
English singer and musician David Bowie (1947-2016) performs live on stage during the first night of his Serious Moonlight World Tour at the Vorst Forest Nationaal in Brussels, Belgium on 18th May 1983. (Photo by Michael Putland/Getty Images)
DETROIT, MI – MAY 7: (L-R) Drummer Steven Adler, Duff McKagan, vocals Axl Rose, guitarist Slash and guitarist Izzy Stradlin of the music group Guns N' Roses pose for a portrait on May 7, 1988, at the Detroit State Theater in Detroit, Michigan. (Photo by Ross Marino/Getty Images)
28th July 1992: American musician Bruce Springsteen sits on a trunk with his feet up backstage at the Brendan Byrne Arena in the Meadowlands sports complex, East Rutherford, New Jersey. Springsteen wears a casual shirt with faded jeans and a pair of cowboy boots with chains and metal tips. (Photo by Keith Meyers/New York Times Co./Getty Images)
American Rock singer Jim Morrison (1943 – 1971), of the group the Doors, performs onstage at Town Hall, Philadelphia, Pennsylvania, June 18, 1967. (Photo by Jack Rosen/Getty Images)
BERKELEY, CA – MAY 15: Bob Weir performs with the Grateful Dead at the Greek Theater on May 15, 1983 in Berkeley, California. (Photo by Ed Perlstein/Redferns/Getty Images)
English Pop and Rock musician George Harrison (1943 – 2001) plays guitar as he performs onstage at Olympia Stadium, Detroit, Michigan, December 4, 1974. (Photo by Steve Kagan/Getty Images)