Tips for expanding your high range on trumpet in a month.?

Question:Cannot involve a jet tone.

Best Answer - Chosen by Asker: Cannot involve a jet tone.

lots and lots of lip slurs.
you can start on C and go up chramatically doing long tones and see how high you can get every day.
do all of your scales every day.
if you do these every day, your range will increase. i dont know how much in a month...but it will increase. hope i helped you. and the best of luck.