Kanye West and Jay-Z perform onstage at The Cosmopolitan Grand Opening and New Year's Eve Celebration on December 31, 2010 in Las Vegas, Nevada. Kevin Mazur/Getty hide caption

itoggle caption Kevin Mazur/Getty

A Tribe Called Quest in the early days. From left to right, Jarobi White, Q-Tip, Ali Shaheed Muhammad and Phife Dawg. Ernie Paniccioli/Courtesy of Sony Pictures Classics hide caption

itoggle caption Ernie Paniccioli/Courtesy of Sony Pictures Classics