It's easy enough to make sound with your voice and never think about how it happens. If you want to develop that sound to manage something more difficult than everyday speech, however, it's useful to understand how it works. Most musicians understand the mechanics of their instrument and certainly wouldn't settle for damage or poor quality. Singers learn to feel the same way about their bodies, especially the parts of the vocal tract responsible for initiating sound. Read through this chapter to understand the way you produce sound, and then concentrate on the exercises that will help you develop a healthy and beautiful tone.