LOS ANGELES, CA - APRIL 05: Musicians Stephen Stills (L) and John Mayer perform onstage at the 2nd Light Up The Blues Concert - An Evening Of Music To Benefit Autism Speaks at The Theatre At Ace Hotel... more 
LOS ANGELES, CA - APRIL 05: Musicians Stephen Stills (L) and John Mayer perform onstage at the 2nd Light Up The Blues Concert - An Evening Of Music To Benefit Autism Speaks at The Theatre At Ace Hotel on April 5, 2014 in Los Angeles, California. (Photo by Imeh Akpanudosen/Getty Images for LUTB) less 
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Getty Images | Photo By Imeh Akpanudosen / Getty Images for LUTB
Sun, Apr 6, 2014 10:55 AM EDT