I wouldnt just assume Jefferson would return. Last year was only their first year, so its not like Urbandale, Ankeny, and Kennedy who seemingly have attended since the beginning of time
I really hate that Iowa State's madrigal dinners are scheduled every year on the same weekend as Supernova... I'm toying with the idea of driving down and watching the day round, but I'd have to leave before the last couple of groups performed, which seems to almost defeat the point. We'll see.