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Host David Frost (1939 - 2013, left) and Australian music impresario, Robert Stigwood, 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. Stigwood was the concert's organiser and executive producer. (Photo by Michael Putland/Getty Images)

Host David Frost (1939 - 2013, left) and Australian music impresario, Robert Stigwood, 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. Stigwood was the concert's organiser and executive producer. (Photo by Michael Putland/Getty Images)