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LAS VEGAS, NV - MARCH 10: Violinist Joshua Bell performs during the opening night of The Smith Center for the Performing Arts on March 10, 2012 in Las Vegas, Nevada. (Photo by Ethan Miller/Getty Images for The Smith Center)

LAS VEGAS, NV - MARCH 10:  Violinist Joshua Bell performs during the opening night of The Smith Center for the Performing Arts on March 10, 2012 in Las Vegas, Nevada.  (Photo by Ethan Miller/Getty Images for The Smith Center)