We got the this show a little late (Missed "Against Me") but we got to the top to buy a drink and I heard a band that sounded like System of a Down. I'm not a fan but have thought the guys voice is pretty good.  I realized that it's the lead singer "Serj Tankian" of System of a Down in his own side project band. It turned out to be a great show with a good sound, heavily politically driven music.  I liked his band significantly better than System and would see them again. Overall really good show.