Pop star Jason Mraz added himself to the growing list of musical acts to rock the University, joining Ben Folds, Bob Dylan, Talib Kweli and four groups during MTV’s Rock the Vote tour, among others. The 28-year-old Mraz, who performed at the Cintas Center in October, is known for his energetic live performances and his classically trained voice. His latest CD, “Mr. A-Z,” debuted No. 1 on several charts.