“The Kimmel Center for the Performing Arts has chosen a sound doctor to fix what ails Verizon Hall” — the consensus being that the home of the Philadelphia Orchestra is rather badly afflicted. “[V]arious critics, instrumentalists, administrators, and even [hall designer] Artec have said that the 2,500-seat Verizon falls short of its potential. Sound presence greatly varies from seat to seat, and with the size of the ensemble on stage.”