Below is a repost from World Flute Society and taken from "Flute Paths Section of the World Flute Society's quarterly publication, Overtones!" Repost by permission. You may order a copy by clicking this link (August 2017 / Vol.3). "Thanks to Kathleen Joyce-Grendahl, Executive Director of the World Flute Society, for permission to post this article.
Flute Path - Dr. Marcia Watson Bendo