This book is the fruit of the many years of experience of a musician who has taught in the most diverse of educational contexts (elementary schools, with children with severe disabilities; college, teacher education, and in-service teacher further education), someone who has done socio-cultural work with children off the street in informal learning contexts, a supporter of travelling recreational centre and music workshops, a person who, at the moment, works as a professor and research erat EP-BEJUNE university of applied sciences in education.