After a two-night stay at the Ogden Theatre, the Disco Biscuits brought their show -- dubbed "Bisco Inferno" -- to Red Rocks Amphitheatre on Saturday, May 28, 2011. The brought guests Big Boi and Rusko, among others. Here's a look at the faces in the crowd on Saturday night. Photos by Britt Chester. Read the Bisco Inferno concert review.