There are so few notes,” the pianist Leon Fleisher said, “but so many implications.” The setting was a recent master class at Carnegie Hall. Fleisher, … was speaking about the Andante movement of Schubert’s B-Flat-Major Sonata … “There are so few notes, but the implications go back billions of years,” Fleisher went on. “You have to be like the Hubble Space Telescope, which sees stars as old as the universe. The stars are dead, but their light is reaching us just now.