Speech, Falsetto, Sob, Cry, Twang, Opera, Belt, Pulp, Whistle, Ingressive, Orofacial, Ancestral, Held.
The famous circular chart showing the four main voice qualities (Sob, Speech, Falsetto, Twang) and how they combine to create Belt and Opera. This is the Rosetta Stone of the method. estill voice model pdf
One-page Overview