Free Energy @ ND (Windish Agency) 3/16/12: Free Energy singer Paul Sprangers has cut his short hair, which looks a bit weird. Otherwise, everything about these Philly power-pop revivalists' set was familiar in a great way. Two years ago, I watched this band trot out a set of ridiculously catchy new songs for a fired-up crowd, with Titus Andronicus frontman ...