Twenty Lessons in Keyboard Choreography by Seymour Bernstein. The Physiological Mechanics of Piano Technique by Otto Ortmann. The Visible and Invisible In Pianoforte Technique by Tobias Matthay.
Twenty Lessons in Keyboard Choreography by Seymour Bernstein. The Physiological Mechanics of Piano Technique by Otto Ortmann. The Visible and Invisible In Pianoforte Technique by Tobias Matthay.