Madsen, Clifford K. Conpetency-based music education / Clifford K. Madsen. - Englewwod Cliffs, N.J. : Prentice-Hall, 1985. - vii, 177 p. ; 26 cm. Includes bibliogaphy. Open Access. ISBN: 0898920612 LCCN: 7919265 Subjects--Topical Terms: School music--Instruction and study.