187K views · 16K reactions | #OnThisDay June 11th 1988, George performed at the Nelson Mandela 70th Birthday Tribute concert. It had an audience of over 600 million. He chose to sing 3 songs by black artists, Stevie Wonder, Gladys Knight and Marvin Gaye to make a point about the 25-years of apartheid in South Africa. | George Michael | Facebook