I should make it known: I have never, in my 5 years on the trumpet, played with a correct embouchure. I have a multitude of ways I've played incorrectly. I'm not going to get into what I did wrong just for time (you'd be here awhile...) Anyway, I was playing tonight, getting tired, and for whatever reason I tried making more of an mmm shape. Gosh! Better tone, endurance (I felt like I hadn't played a note all day), flexibility, almost no pressure, horn at a higher angle (mine was always low) and most importantly, RANGE. I just need to get used to this more, and learn how to use air. But before I do, is this all right? I need to see my teacher, but I won't at least for another week, maybe more.