: Avoid over-tightening your lips. Move the mouthpiece until you find the exact spot where your lips resonate most freely with the instrument.
If your post is a guide for aspiring musicians, focus on the technical foundation required to make a great sound. This follows the philosophy of Jonathan Harnum’s comprehensive guide, Sound the Trumpet: How to Blow Your Own Horn . Sound the Trumpet: How to Blow Your Own Horn
: Daily practice of holding single notes helps stabilize your pitch and develops a "subconscious" feel for high-quality tone. : Avoid over-tightening your lips