12 of 19: **FILE**Nile Rodgers, left, and singer Sylver Sharp, right, perform with their disco-funk group Chic during the Montreux Jazz Festival in Montreux, Switzerland on July 14, 2005. They join Madonna, heartland rocker John Mellencamp, the puckish rappers Beastie Boys and disco singer Donna Summer among the nine nominees for the Rock and Roll Hall of Fame, who were announced Friday, Sept. 28, 2007. (AP Photo/Keystone, Laurent Gillieron) (AP Photo/ LAURENT GILLIERON)

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