First, how about. Trumpet has, on the left, press play piston on the right. Basically, left, and remember having. Have efforts in the right hand little finger bones turn lightly.
Following a sound disposal. Sound no good and not the abdominal breathing. Inflating the balloon at feeling like, earning power in the stomach.
If you have a mouthpiece to lips and make finer trembling lips basically sound issues. The cheek muscles earning power.
Introduction of the sound of the trumpet.