Increase trumpet range quickly and easily? Need a comfortable D above the staff for Turbine.?

Question

I need help with building range quickly i've practiced on it tons

I can hit a D above the staff but cannot hit c or d confortably

I need for state finals any help would be great

Answer 1

First, let me applaud you for having such a great range!  Now, to play notes higher than the staff, try closing your mouth a little bit.  This causes the air to move faster.  It may be a little bit sharp, but if you need it really badly, then this is the quickest way to go.