Jon's decision to stop the final mixing and make the lineup change actually came during the mixing process while he was at Morrisound Studios on the weekend of May 24. So, Matt's departure from the band wasn't a factor in the band not playing PPIV this year. In retrospect, it is a good thing that Glenn didn't sign IE this year as IE would have had to cancel on Glenn, just as they will have to cancel their headlining (prime) slot at Wacken this year.