The Backstreet Boys at the Allstate Arena

There was a little of everything at the Backstreet Boys’ concert Monday night at the Allstate Arena, from pyrotechnics to druids to ballerinas. But for the youngsters who filled the venue to capacity, all that could have disappeared, and they still would have been happy just to see–and, I guess, hear–Nick Carter, Brian Littrell, Kevin Richardson, A.J. McLean and Howie Dorough do what they do.