This touring company celebrating the famed rock group performs at State Theatre New Jersey on Thursday, April 16 at 7:30 p.m. On the program are classics including “Mamma Mia,” “S.O.S.,” “Money, Money,” and of course, “Waterloo.” The theater is at 15 Livingston Avenue, New Brunswick. Tickets start at $46. Stnj.org. (Photo by Kelly Smith)