The September 11 , 2008 , free performance at the Jay Pritzker Pavilion served the dual purpose of heralding the grand opening weekend and paying tribute to the September 11 attacks victims . Other events during the grand opening weekend included a September 12 black tie gala , September 13 Tower tours , and September 15 party and fashion show . The September 15 event also included an auction for various items , including a pair of $ 25,000 Van Cleef and Arpels diamond earrings
September 11 attacks
September 11 attacks
Joffrey Tower