Many times we speak of a big sound as compared to a small sound when playing trumpet. In most cases one is able to hear the difference but knowing how to create a bigger sound is more of a problem. Now we have the solution! Not only are we able to hear the difference but with a little help from a free app., we are able now to see and make adjustment in our sound through Biofeedback. A free and simple to use app. called WavePad by NCH Software can get you started in your Biofeedback quest for a bigger…