"Exercises for Trombone by Jose Pardal N-4" - Jose Lopez Perez - Bog

"Warm-up is an essential part of any musical practice, especially for trombonists. Performing appropriate warm-up exercises before playing helps prepare the muscles and joints for the work ahead, and also helps prevent injuries. In this book, Joseph Pardal has compiled a series of warm-up exercises specific to the trombone, designed to help musicians develop and maintain their technique and performance skills. Whether you are a beginner on the trombone or an experienced musician, this book will provide you with a valuable tool for your daily practice. Dedicate time to working on these warm-up exercises and you will see how your technique improves and how you feel more comfortable and confident when playing the trombone."