Must be a House of Blues thing. Security at House of Blues Chicago are a bunch of douchebags, they've seemed to lighten up though in the last few years. Back when I first started going there they wouldn't allow sitting, which was ridiculous considering I was there for Summer Slaughter, an all day thing.
5/15 In Defence
5/16 Napalm Fest
5/17 Weekend Nachos & Anaal Nathrakh