(Schott). Carl Orff devoted much of his life to music for children. His pioneering work continues under the guidance of teachers and educators in many countries. The five basic German volumes of "Music for Children" by Carl Orff and Gunild Keetman were published between 1950 and 1954. The considerable growth of Orff-Schulwerk in the United States led to the publication of the American Edition (1977) to satisfy the requirements of a different educational system and national heritage..