I'm going to talk to you now about how to exercise vocal dynamics. One of the best exercises to use when practicing this is something called the messa di voce - this is essentially a very slow, controlled crescendo and diminuendo. It goes, more or less, like this. The important thing to remember when you do this is to stay on the breath, to stay on the support, and always to try to make a healthy and resonant sound. Don't be tempted to try and cheat this dynamic change by closing too much on the piano and opening too much on the forte. A false piano will result in an audible clunk when you try to crescendo, and a sound that's too open and expansive at the top, will result in a wobble, and will also be very hard to diminuendo away from. What is key to this exercise is not how loudly or how softly you can sing, but how smoothly you can move between them. Practice this with different vowels, and at different parts in your voice, always concentrating on that process, on that connection. The more you do this, the more hard work you put in, the more you'll refine those results, and you'll find that in time, you can sing louder, or quieter, without ever having to falsify that sound. And that's how you exercise vocal dynamics. .