The idea of playing more high notes to improve range is why I wrote the New Expanded Range Arban book a couple of years ago. It gives a lifetime amount of material to work with. There are thousands of ways to accomplish the goal of a good high note pyramid. I have had countless questions about how to do this, what to play, where to start. The workload increases every week and it only takes 14 minutes a day. BTW 7 of those minutes is resting. Range Pyramid Practice a 108 page. Hence you must learn to improve your trumpet high range if you want to master the trumpet. Visit us : https://www.bbtrumpet.com/how-to-improve-your-high-range-6-key-steps/