One of the most difficult challenges in wind instrument pedagogy is teaching what can’t be seen. The external embouchure, hand positions, fingerings, posture, etc., are easy enough, but much of what happens to create saxophone tone is in the vocal tract (from the vocal folds to the embouchure). Through fluoroscopy (x-ray), endoscopy (probe camera), and other means, Dr. Watkins has revealed secrets invaluable to the serious teacher and student. His research into the saxophonist’s vocal tract and resultant tried and true application has spanned over twenty years. This book is marvelously laid out with explanations, exercises, illustrations, and over 100 video clips allowing the saxophonist a deeper understanding of flexibility.