Estill Voice Training the leader in voice training and rehabilitation across the globe comes to the palm of your hand! Your subscription to Estill Exercises features 1 on 1 interactive practice videos led by Estill Voice Certified Trainers dynamic and informative flashcards fun musical exercises and a new way to track your vocal progress. The Estill Exercises app also highlights brief overviews of each exercise in English Spanish French German Italian and Russian. Enjoy dynamic and informative content with opportunities to put your vocal exercises into artistry action with fun and interactive ways to practice.