I've just read a biography of Martha Argerich. Though she actually did work a lot at time, the fact is that for instance, she played a whole concerto entirely a

I've just read a biography of Martha Argerich. Though she actually did work a lot at time, the fact is that for instance, she played a whole concerto entirely after having heard it /once/. I don't think this kind of ability comes with hard work, unfortunately.