hip hop artist performs onstage during festival .
{"Image ImageDescription": "NEW YORK, NY - APRIL 16:  Rapper Nas performs onstage at the Opening Night Concert during the 2014 Tribeca Film Festival at The Beacon Theatre on April 16, 2014 in New York City.  (Photo by Larry Busacca/Getty Images for the 2014 Tribeca Film Festival)", "Image Copyright": "2014 Getty Images"}