This essential foundation for teaching vocal technique is now available in paperback Based on the great teaching of the past, it explains the utilization of principles and applications of vocal techniques. The Chromatic Vowel Chart defines the vowel color changes in chromatic progressions for all voices, and the text explains how singing principles can be used by relying on the ear, the eye, and the sense of vibration in the body. Cloth edition 0-8108-1933-3] published in 1987. Paperback edition available April 2002.