Warm-up book for jazz trombonists, classical etc. In the world of brass instrument players, many hobbies and diseases develop, such as Bell's palsy, oromandibular dystonia, bruxism, Satchmo syndrome and stage anxiety .Wind players are the most affected and represent 70% of the patients in the profession. A 2009 study of 450 musicians from Argentina found that 53% had ever suffered muscle, tendon and joint injuries, 22% from trauma and 17% from...