Public Enemy on stage in 1988. The group will be inducted into the Rock and Roll Hall of fame Thursday. Suzie Gibbons/Redferns/Getty Images hide caption

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"Queen of Disco" Donna Summer performs in 1979. (Michael Ochs Archives/Getty Images) Michael Ochs Archives/Getty Images hide caption

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Donn Summer on the cover for the 1997 album Once Upon a Time. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist