Charles Colin’s “Breath Control (Range and Endurance Developed Through Chromatic Technique)” is built upon the correct use of scale studies and exercises to focus on proper breathing technique. These exercises were prepared specifically as a discipline for coordinated rhythmic accented breath pulsation. During preliminary slow practice, discipline in firmness of pressing down of the valves stabilizes muscular development. Emphasis on dynamic accented rhythmic breath pulsation motivates and mould...