As I listened to the piano tuner work on the elegant grand piano, I thought about the times when I’d heard that very same piano pour out the incredible sound of the “Warsaw Concerto” and the rich melody of “How Great Thou Art.” But now the instrument desperately needed to be tuned. While some notes were right on pitch, others were sharp or flat, creating an unpleasant sound. The piano tuner’s responsibility wasn’t to make each of the keys play the same sound but to assure that each note’s unique sound combined with others to create a pleasing harmonious whole.

Even…