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Jay-Z, Alicia Keys

It was no surprise when Alicia Keys joined Hov onstage for their mega-hit, "Empire State of Mind." After, Jay-Z gave props to his hometown football team. "Make some noise for the Giants!" he yelled. (2/6/2012)

Jay-Z Rocks Carnegie Hall

Jay-Z performs for a star-studded crowd at Manhattan's famed Carnegie Hall.