(MANDATORY CREDIT Ebet Roberts/Getty Images) (L to R) Salif Keita, Jackson Browne, Peter Gabriel performing at Wembley Stadium in London, England for the Nelson Mandela 70th Birthday Tribute Concert on June 11, 1988. (Photo by Ebet Roberts/Redferns)
(MANDATORY CREDIT Ebet Roberts/Getty Images) (L to R) Salif Keita, Jackson Browne, Peter Gabriel performing at Wembley Stadium in London, England for the Nelson Mandela 70th Birthday Tribute Concert on June 11, 1988. (Photo by Ebet Roberts/Redferns)