Enter . Developed by pioneering voice scientist Jo Estill in the 1980s, this system revolutionized vocal pedagogy by shifting the focus from feeling to function . Instead of chasing vague sensations, EVT gives you a menu of specific, reproducible anatomical configurations. You learn to control individual structures in your larynx, pharynx, and torso—giving you ultimate control over your sound.

The core of the Estill curriculum found in training manuals revolves around the "Figures for Voice." These are exercises designed to give the vocalist conscious control over specific anatomical structures. EVT identifies three primary systems involved in voice production: the Power Source (respiration), the Vibrator (the vocal folds), and the Resonator (the vocal tract).

EVT is a scientific approach developed by Jo Estill that focuses on isolated control of specific vocal structures to create varied "recipes" for vocal quality. 1. The 13 Figures for Voice

A breathy, light quality with minimal vocal fold contact.

Your vocal tract is a marvel of engineering. Learn to drive it with precision, not guesswork.

Once you master the individual figures, you combine them into six primary voice qualities, each with a distinct acoustic and structural profile:

The beauty of EVT is that you can learn to slide from Sob to Belt to Falsetto in a single breath, because you are physically reconfiguring your anatomy—not hoping for a lucky sensation.