Inspired largely by Ernest S. Williams' Secret of Technique Preservation, this book contains textual material and studies on embouchure development, tone and the breathing process, fingering and tonguing, together with a series of tonality studies on each tone of the chromatic scale. Within each tone are studies on long tones, scales, trills, lip slurs, intervals, tonuging, chords. Widly used as study material in colleges, and considered an effective, systematic approach for preservation of technical abilities.