Keyboard maestro

At Yamaha she creates the digital pianos of the future. The gleaming grand piano looks like others I\´ve seen. But with utmost politeness, Hiroko Ohmura informs me that I\´m mistaken. With that, she attacks the keys, and the notes of Beethoven\´s Sonata No. 8 in C minor, the famed "Pathetique," fill the vast auditorium. I\´m entranced. When she\´s finished, she points inside the ebony cabinet: There are no strings; the sound comes from an array of speakers.