CHICAGO, IL – JULY 03: Mahrin Owings and Dylan Howard, who rode a freight train to the concert, waits with Grateful Dead fans for the gates of Soldier Field to open for one of the band’s final shows on their 50th anniversary tour on July 3, 2015 in Chicago, Illinois. The show is one of three scheduled to be held in Chicago this weekend to mark the end of the band’s 50 years together. (Photo by Scott Olson/Getty Images)