The Trombone Player's Survival Guide: How to Get Out and Stay Out of Pain Using Movement Alignment Technique by Allan R. Kaplan and Norwood Yamini is appropriate for trombone players high school age and up. The Musicians' Survival Guide series of books offer a distinctly different approach to getting out of pain, staying out of pain and playing better. This approach is based on the 7 Principles of Movement Alignment Technique. "There are principles based in the natural structure and function of our bodies that, when understood and applied, allow us to play our instruments effortlessly and without pain.The human body's natural design applies equally to every human endeavor involving movement. Even though we play different instruments requiring application of different playing techniques, we all use our bodies to play our instruments." -the publisher