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LONDON - JULY 13: The crowd watch the Live Aid concert at Wembley Stadium on 13 July, 1985 in London, England. (Photo by Georges De Keerle/Getty Images)

LONDON - JULY 13:  The crowd watch the Live Aid concert at Wembley Stadium on 13 July, 1985 in London, England. (Photo by Georges De Keerle/Getty Images)

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LONDON, UNITED KINGDOM - JULY 13: (LtoR) HRH Princess Diana, HRH Prince Charles and Bob Geldof watch from the crowd during the Live Aid concert at Wembley Stadium in London, 13th July 1985. The concert raised funds for famine relief in Ethiopia. (Photo by Georges De Keerle/Getty Images)

LONDON, UNITED KINGDOM - JULY 13:  (LtoR) HRH Princess Diana, HRH Prince Charles and Bob Geldof watch from the crowd during the Live Aid concert at Wembley Stadium in London, 13th July 1985. The concert raised funds for famine relief in Ethiopia.  (Photo by Georges De Keerle/Getty Images)

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A view towards the main stage at the Live Aid charity concert, Wembley Stadium, London, 13th July 1985. (Photo by Dave Hogan/Hulton Archive/Getty Images)

A view towards the main stage at the Live Aid charity concert, Wembley Stadium, London, 13th July 1985. (Photo by Dave Hogan/Hulton Archive/Getty Images)

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A view of the crowd at the Live Aid charity concert, Wembley Stadium, London, 13th July 1985. (Photo by Dave Hogan/Hulton Archive/Getty Images)

A view of the crowd at the Live Aid charity concert, Wembley Stadium, London, 13th July 1985. (Photo by Dave Hogan/Hulton Archive/Getty Images)

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LONDON - JULY 13: A general view of the crowd during the Live Aid concert at Wembley Stadium on 13 July, 1985 in London, England. Live Aid was watched by millions around the world on television and raised vast quantities of donated money to help relieve a severe famine in Ethiopia. (Photo by Georges De Keerle/Getty Images)

LONDON - JULY 13:  A general view of the crowd during the Live Aid concert at Wembley Stadium on 13 July, 1985 in London, England. Live Aid was watched by millions around the world on television and raised vast quantities of donated money to help relieve a severe famine in Ethiopia. (Photo by Georges De Keerle/Getty Images)