I just finished a week long Estill Voice Training, Level 1 and 2: Voice Control and Figure Combinations for Six Voice Qualities (Falsetto, Sob, Nasalized Twang, Oral Twang, Opera, and Belting). For those who always wanted to know how to belt but never could: It is a simple matter of using a smooth or glottal onset in your true vocal folds, a retracted false vocal fold, a thick true vocal fold body-cover, holding your thyroid in a vertical position, tilting your cricoid cartilage, narrowing your aryepiglottic sphincter, using a high larynx tongue and vellum, a mid jaw and lips and an anchored head, neck and torso...Easy peasy lemon squeezy!