The didactic method of postural arrangement in relation to practicing an instrument or vocal technique is difficult to manage. The difficulty is to describe anatomic concepts, and what is right or wrong in a musician’s bodily dynamics. This can lead to misunderstandings that sometimes cause the musician or singer to have a bad pattern of motricity. This text aims to clarify the most frequent mistakes in didactic rapport between teachers and students, and to provide useful information and tips to improve communication with the student.Mauro Banfi, Physiotherapist and Osteopath, after publishing " Singing and Posture ", a book dedicated to singers, now follows with this book, "Teaching posture for an optimal musical performance". The text is intended to be a useful tool for teachers and students to clarify doubts and facilitate the teaching-learning process by improving skills in observational and postural analysis while always respecting each student’s specific needs