IMAGE DISTRIBUTED FOR THE GRATEFUL DEAD - Getting ready for soundcheck at Grateful Dead Fare Thee Well Rehearsal at Soldier Stadium on Thursday, July 2, 2015, in Chicago, Ill. (Photo by Jay ... more 
IMAGE DISTRIBUTED FOR THE GRATEFUL DEAD - Getting ready for soundcheck at Grateful Dead Fare Thee Well Rehearsal at Soldier Stadium on Thursday, July 2, 2015, in Chicago, Ill. (Photo by Jay Blakesberg/Invision for the Grateful Dead/AP Images) less 
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Associated Press
Fri, Jul 3, 2015 4:23 PM EDT