“Perhaps the most successful of the pieces Paul Wittgenstein commissioned, philosophically speaking, is another one by Hindemith, which is a struggle even for a two-handed man to play well. And yet there is something about the stress it places on the fingers of the one-handed man that gives it a poignancy that a more relaxed, more confident two-handed approach is virtually unable to bring about. Hindemith had two hands, but when he wrote that piece it was as if he had only one.
