Why Yamaha’s New Electric Grand Piano Is So Extraordinary

“The press materials insist that the AvantGrand is virtually identical to a concert grand, only cheaper, smaller, and always perfectly in tune.” But it’s much more: for instance, you can choose your temperament (equal, Pythagorean, Werckmeister), adjust the responsiveness of the keys, and record and play back what you just played – all by pressing a few buttons.