Introducing new skills and concepts is best done, teacher to student in a private lesson. Each skill can be worked on separately with a focus on clarity and mastery.

During weekly lessons, the teacher and student interact at two pianos. The teacher demonstrates a movement, a sound or a rhythm on one piano and the student plays it back almost instantly on the other piano. Students can remember a lot when they play it back almost instantly.
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With two pianos a lot of skill can be transferred in a short time. Students make the quickest progress by taking a weekly one hour private lesson, practicing every day and playing with other student pianists in a weekly Team Piano rehearsal.