Ozzy Osbourne of Black Sabbath performs on stage during their 'Never Say Die!' tour at Lewisham Odeon, London, England, on May 27th, 1978. (Photo by Gus Stewart/Redferns)
CIRCA 1977: (L-R) John McVie, Christine McVie, Stevie Nicks, Lindsey Buckingham and Mick Fleetwood of the rock group 'Fleetwood Mac' attend an event in circa 1977. (Photo by Michael Ochs Archives/Getty Images)
Olivia Newton John at the Rainbow Theatre, Finsbury Park, during her "Totally Hot World Tour", 28th November 1978. (Photo by White/Mirrorpix via Getty Images)
COPENHAGEN, DENMARK – DECEMBER 9: Jon Lord, Glenn Hughes, Ian Paice, David Coverdale, Richie Blackmore of Deep Purple pose for a group portrait on December 9th 1973 in Copenhagen, Denmark. (Photo by Jorgen Angel/Redferns)
