American singer Debbie Harry performing with Blondie at the Dr. Pepper Central Park Music Festival at Wollman Rink in Central Park, New York City, 9th July 1979. (Photo by Michael Putland/Getty Images)
Members of the American soft-rock ensemble The Eagles sit on chairs as the perform on the television show 'Don Kirschner's Rock Concert,' 1979. Bandmembers are (left to right) Glenn Frey, Don Henley, Joe Walsh, and Don Felder. (Photo by Fotos International/Getty Images)