Piano Technique: Practicing an E Major Arpeggio during a lesson-in-progress (Video with tips on creating a rolling contour)

This piano student will gain a lot by reviewing footage taken at her lesson. It provides a practicing framework that zeroes in on the physical/musical aspects of creating a contoured arpeggio. Here's video where I'm teaching Sakura, 13, who's studied piano with me for 3 years. We worked on rolling, relaxed arms, supple wrists, and…