Horn Technique by Jeffrey Agrell

Part IV: Practice!

Chapter 15: Deep practice

Chapter 16: Overview of practice sessions

Chapter 17: Pre-warm ups: mental and physical preparation

Chapter 18: Warm-Ups: daily recalibration, preparation for workout

Chapter 19: Overtone technique in Warm-Ups Part I

Chapter 20: Overtone technique Part II

Chapter 21: Overtone technique Part III

Chapter 22: Expeditious Warm-Ups