Left to right: Maurice Gibb (1949 - 2003) and Barry Gibb, of the The Bee Gees, with their younger brother, Andy Gibb (1958 - 1988), and Olivia Newton-John, at 'The Music for UNICEF Concert: A Gift of Song' benefit concert held at the United Nations General Assembly in New York City, 9th January 1979. (Photo by Michael Putland/Getty Images)
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Hulton Archive Michael Putland