Australian actress and singer Olivia Newton-John holds a press conference at the Inn On The Park, London, UK, 29th November 1978. She is starring in the 1978 film adaptation of the musical 'Grease'. (Photo by Keystone/Hulton Archive/Getty Images)
English singer-songwriter and pianist Elton John (left) performing at the Rocket Records launch party, Moreton-on-the Marsh, Gloucestershire, 26th April 1973. (Photo by Michael Putland/Getty Images)
MEMPHIS – 1957: Country singer/songwriter Johnny Cash poses for a Sun Records portrait holding an acoustic guitar in 1957 in Memphis, Tennessee. (Photo by Michael Ochs Archives/Getty Images)
English group The Who perform on the set of the Rolling Stones Rock and Roll Circus at Intertel TV Studio in Wembley, London on 11th December 1968. Left to right: John Entwistle (1944 – 2002), Roger Daltrey and Pete Townshend. (Photo by Mark Hayward Archive/Redferns)
