because your left hand has a defect. You make music, but it’s nothing like it’s supposed to sound. Then you have surgery performed by a magician with a scalpel. Your hand heals. You return to your lessons with new vigor. And then one day, you play the piece nearly perfectly. Full of joy, you exclaim, “Yes! I love it! This is the way the music of my life should sound!” Constrained by the score because you have to follow its notation? Well, yes. But loving every moment of that constraint – and not feeling