When you start learning how to play the trumpet as a kid, you want to get a bigger sound immediately, so rather than take the months and years it takes for a regular embouchure to get a big sound, you start opening your mouth wider than it should be. The combination of playing musical exercises utilizing the above steps and the isometric benefits of doing the pencil exercise will lead to a more efficient trumpet range fairly quickly. When you learn to traverse the trumpet range efficiently, you will have improved endurance. Visit us: https://www.bbtrumpet.com/