Photos: Big names, bigger performances at 12-12-12 concert
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NEW YORK, NY - DECEMBER 12: Billy Joel performs at "12-12-12" a concert benefiting The Robin Hood Relief Fund to aid the victims of Hurricane Sandy presented by Clear Channel Media & Entertainment, The Madison Square Garden Company and The Weinstein Company at Madison Square Garden on December 12, 2012 in New York City. (Photo by Larry Busacca/Getty Images for Clear Channel)
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