Left to right: Robert Plant, John Paul Jones and Jimmy Page, of British heavy rock group Led Zeppelin, performing at Earl's Court, London, May 1975. The band were initially booked to play three nights at the venue, from 23rd to 25th May, but due to public demand, two more concerts were later added, for 17th and 18th May. Total ticket sales were 85,000. (Photo by Michael Putland/Getty Images)
UNITED STATES – DECEMBER 31: DICK CLARK'S NEW YEAR'S ROCKIN' EVE 1995 – 12/31/94 – 1/1/95, Dick Clark will lead America into the New Year, Saturday, Dec. 31 (11:35 p.m.-1:05 a.m., ET) on "Dick Clark's New Year's Rockin' Eve 1995", airing on the Disney General Entertainment Content via Getty Images Television Network. Clark will count down to midnight from Times Square in New York City., Pictured: Melissa Etheridge, (Photo by Ida Mae Astute/Disney General Entertainment Content via Getty Images)
LONDON, UK – Don Felder, Bernie Leadon of US band the Eagles perform at Wembley Stadium 'Mid Summer Festival' in London, UK, 21st June 1975. (Photo by Watal Asanuma/Shinko Music/Getty Images)
LOS ANGELES – JUNE 1959: Rock and roll musician Chuck Berry poses for a portrait holding a Gibson hollowbody electric guitar in a scene from the movie "Go Johnny Go" which was released in June of 1959 in Los Angeles, California. (Photo by Michael Ochs Archives/Getty Images)
DAYS OF OUR LIVES — Pictured: (l-r) Carl Anderson, Gloria Loring as Liz Chandler Curtis — (Photo by: Gary Null/NBCU Photo Bank/NBCUniversal via Getty Images via Getty Images)
SYDNEY, AUSTRALIA – 1980s: (L-R) Graham Russell and Russell Hitchcock from the Australian rock group 'Air Supply' in the 1980s in Sydney, Australia. (Photo by Peter Carrette Archive/Getty Images)
