NEW YORK, NY - APRIL 12: John Mayer (L) and Keith Urban perform on stage during the 2013 Crossroads Guitar Festival at Madison Square Garden on April 12, 2013 in New York City. (Photo by Larry ... more 
NEW YORK, NY - APRIL 12: John Mayer (L) and Keith Urban perform on stage during the 2013 Crossroads Guitar Festival at Madison Square Garden on April 12, 2013 in New York City. (Photo by Larry Busacca/Getty Images) less 
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Getty Images | Photo By Larry Busacca / Getty Images
Sat, Apr 13, 2013 1:00 AM EDT