Well, her constant swaying does detract from the performance because you start concentrating on it rather than the music. Someone around her should get her to cool it on the swaying when performing. Should be easily rectified. However, for such a young one she plays beautifully and has a long and fruitful career ahead of her. She also has a beautiful head of hair. Like an angel’s. The violin is one of the most exquisite instruments ever made when played by a master of it.