The book has an elusive quality, and keeps you wondering right to the last what the secret actually is. But it's not a book to lift your spirits, quite the opposite in fact. Written with great insight - the author is a classically trained musician.
Extract
It was everyday work. Sit down, feel if the stool had the right height. You know that exactly, to the half-millimetre, there is no possible doubt about it. Still, during the course of the years she had changed the height of the stool more than once. Sitting high means power and a better overview, you can pound on the keys with heavy arms.