Saturday, November 20th, 2010 Vision & Insomniac present: TIESTO @ UIC Pavilion 1150 W Harrison St | Chicago 6pm ? 12am 17 + to enter | 21 + to drink 21 + Afterparty at Vision ?til 5am Tickets on sale NOW at Tiesto.com and Friday 8/20 at Ticketmaster.com Attention Tiesto fans? We know that there?s a lot of you out there! That being said, a whole bunch of you will be assembled together for what is destined to be the largest Tiesto concert event that Chicago has yet seen.