> A classical pianist has to practice five, six hours a day, to remain mechanically in shape.
That's just a joke. He is ruminating.

However, the computer plays also pieces that were unplayable so far.
That shows, that the system of old rules and regulations falls apart completely.
Power-structures that are there for physical and mechanical reasons, will break down, because of an electronic age, that is just beginning.

The same goes for philosophical constructinos - which are worse than physical ones. <