Singing is a way to make art with nothing but your body, just like dancing or punching a hole in a Picasso. Break artistic boundaries with this Groupon. Choose Between Two Options $98 for one month of unlimited Vocal Work Out classes (a $199 value) $178 for two months of unlimited Vocal Work Out classes (a $398 value) In Vocal Work Out group lessons, renowned voice coach Craig Derry leads students in his personal vocal-aerobics system, strengthening diaphragms and helping each singer develop their own voice. Exercises focus on breathing, ear training, vibrato, and phrasing to beef up aural power and supercharge self-confidence. Classes are held seven days a week, with morning and evening sessions available. See the schedule here.