Being able to bend notes up and down can be very beneficial to a trumpet player. Adjusting notes a little in order to play them in tune as well as having the ability to bend notes in Jazz can be improved with this exercise. When practicing this exercise, try to land solidly on the false note and remain in the center of the pitch. With practice, this will be easier. Download practice sheet here- Easy Lip Control Exercise Listen to example here- easy lip control exercize