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Jay-Z and Alicia Keys pump up Yankee Stadium

Jay-Z, Keys clean it up for pre-game show

Jay-Z and Alicia Keys perform before the New York Yankees play the Philadelphia Phillies in game 2 of the World Series at Yankee Stadium in New York City on October 29, 2009.

Jay-Z and Alicia Keys perform before the New York Yankees play the Philadelphia Phillies in game 2 of the World Series at Yankee Stadium in New York City on October 29, 2009.

Video: Jay-Z & Alicia Keys Perform at the World Series

Jay Z & Alicia Keys Empire State Of Mind 10-29-2009 World Series Game 2 HD 720P

Jay-Z & Alicia Keys - Empire State of Mind (Live at World Series Game - HD)

Jay-Z, Alicia Keys rock Yankee Stadium

Jay-Z, Alicia Keys rock Yankee Stadium

Jay-Z and Alicia Keys perform before the New York Yankees play the Philadelphia Phillies in game 2 of the World Series at Yankee Stadium in New York City on October 29, 2009.

Alicia Keys and Jay Z perform at City Hall where the New York Yankees are honored for their World Series win at City Hall following a ticker tape parade on November 6