I need help! I can`t play higher on my trumpet and my band teacher is gettig kida frustrated. I wanna be good but I just can`t do it so please how do I play higher. I HAVE A CHAIR TEST TOMARROW ON MY B FLAT!!! My teacher tells me to make my lips tighter, but I cant do it there has got to be another way!!!!
PLEASE HELP ME!!

this is a common problem not only do u tighten your lips but you hafta change your airstream so that it goes up into the mouthpiece hope it helps good luck