1. Relax and conserve strength in the lower register.
2. Play with a lip touching embouchure. I can lip buzz over double high c. Buzzing builds chops and teaches you the right mouth position.
3. Use A Lip Set Point. If I set for a g on top of the staff I can relax and pivot to play low G and F#. I can also add air and compression to go over double high c.
4. Use A Pivot.
5. Learn how and when to add compression. NOT just tighten your belly some. Really squeeze all around your torso. NOT chest.
6. Use Timed Breathing. If you take a full breath you can NOT get but about a 30% compression compared to a half breath.
7. Use LESS mouthpiece pressure. It only shuts the aperture and keeps the notes from coming out.
8. Play SONGS in the upper register. Learn to tongue.
That's a partial list.
Pops

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. This site Trumpet College is about; Trumpet lessons and trumpet books by Clint 'Pops' McLaughlin - All major embouchures taught. Learn how to play effortlessly based on your facial structure. Thousands of students helped from serious amateur to pro level. Check out our trumpet lessons, our online trumpet lessons and our trumpet books. Trumpet playing, trumpet lessons. This site covers these topics: trumpet playing, trumpet lessons, Stevens, Superchops, Maynard Ferguson, mouthpieces, Bach, Callet, Schilke, Doc Severinsen, Yamaha, Maggio, embouchure, trumpeter, trompette, trompeta, trumpeting, marsalis, louis armstrong. Thanks for visiting.
Pops