This is where you’ll find appropriate tips:

Self-diagnosis and monitoring for brass players

Practical exercises for brass players

Tight brass sections

Buying a brass instrument

Physical considerations for playing a brass instrument

Is an orchestra musician more than "just" a soloist?

The correct position of trumpet and french horn

Tunings Of Trumpet Instruments

My Personal Daily Exercises Tailor-Made and Lovingly Cra

Trumpet for entry-level students

The influence of room acoustics on the horn sound

Breathing, embouchure and diaphragm support for the trump