Hell yes. I was at this exact concert-It was the last show of the US tour, and Peter and the guys were tormenting the other bands. They stole the microphone of Single Bullet Theory's lead singer and he had to use some cheap replacement. Near the end of Scar Culture's set, Peter and the guys all came out and began disassembling the drummer's set while he was still trying to play! haha And then when Soilwork came on all of Hypocrisy rushed up on the stage and threw powdered Hot Chocolate all over the guys in Soilwork! So by the time Hypocrisy came on, they knew they were in for trouble. They covered all the monitors with plastic and came out in their underwear. And of course, throughout the show various members of the other bands would come out and soak them with water.