LONDON, UNITED KINGDOM – MARCH 06: Nancy Wilson and Ann Wilson of American rock band Heart perform on stage at Wembley Arena on March 6th, 1988 in London, England. (Photo by Pete Still/Redferns)
DETROIT, MI – NOVEMBER 4: American singer Prince (1958-2016) performs onstage during the 1984 Purple Rain Tour on November 4, 1984, at the Joe Louis Arena in Detroit, Michigan. (Photo by Ross Marino/Getty Images)
