Tuning violins and flutes for an orchestral concert is not too difficult. But how do you tune an entire concert hall, let alone one undergoing a dramatic, $125 million-plus redesign and rebuild to ...

Here is the New York Philharmonic in the newly renovated David Geffen Hall, the orchestra’s home at Lincoln Center. A concert hall is only as good as it sounds. And for decades, the Philharmonic’s ...