NEW YORK – CIRCA 1975: Disco songwriter, producer and artist Van McCoy poses for a portrait circa 1975 in New York city, New York. (Photo by Michael Ochs Archives/Getty Images)
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)
Australian singer and actress Olivia Newton-John and American actor John Travolta as they appear in the Paramount film 'Grease', 1978. (Photo by Paramount Pictures/Fotos International/Getty Images)
NEW YORK – JANUARY 09: Maurice Gibb, Barry Gibb and Robin Gibb of The Bee Gees harmonise at one microphone while performing on stage at the UNICEF A Gift of Song concert held at the United Nations General Assembly on January 9th 1979 in New York. (Photo by Richard E. Aaron/Redferns)
David Bowie Performs On English Rock & Pop musician and actor David Bowie (born David Jones, 1947 – 2016) performs on stage, Los Angeles, California, 1975. (Photo by Ellen Graham/Getty Images)
American Disco and R&B singer Donna Summer (born LaDonna Gaines, 1948 – 2012) performs onstage at the Poplar Creek Music Theater, Hoffman Estates, Illinois, July 12, 1983. (Photo by Paul Natkin/Getty Images)
American Disco and R&B singer Donna Summer (born LaDonna Gaines, 1948 – 2012) performs onstage at the Poplar Creek Music Theater, Hoffman Estates, Illinois, July 12, 1983. (Photo by Paul Natkin/Getty Images)
