I have a very irritating cycle when it comes to my range on trumpet. It gets better by the year, which is great. The problem is, I don't get better than the last year until the end of the year by which time I have to start over, albeit a little higher. For example, last year (freshman in high school) at the beginning of the year I was fairly comfortable with a C above the staff. Not totally, but it was OK. I took a hit coming back for the second semester, even though I practiced (once every 2-3 days) over break. Finally by the end of the year I was quite consistent with the D above the staff and could more often than not hit the E.
This year, like every year, my chops were garbage at band camp. I was playing from 9-5, minus two or three hours. By the end of the camp, I was lucky to hit a G on top of the staff. However I began building back up to being comfortable at C above the staff. Now that I am back from winter break (and I practiced every 2-3 days) I am having trouble going above the staff. It seems this year, after taking jazz lessons over the summer, I am sacrificing range for tone. I was told over the summer that my corners curved up too much while playing; not sure if that has changed.
Additionally, I started practicing flugelhorn over the break, as I play flugel in both of our current jazz pieces (my range is slightly worse on it, which is apparently normal). I'm not sure if this has affected my trumpet playing.
Any advice would be greatly appreciated!