“The region’s power brokers – Ed and Midge Rendell among them – promoted it as an economic engine, a town square pumping foot traffic in and out 18 hours a day, a friendly new face for classical music, and an antidote to the Philadelphia Orchestra’s longtime home, the acoustically dry Academy of Music. But on these fronts, the Kimmel – now in its 10th season and hundreds of millions of dollars later – is still very much a work in progress.”