Willoughby, David The world of music / David Willoughby - 4th ed. - Boston : McGraw-Hill, c1999. - xv, 384 p. : ill. ; 26 cm. ISBN: 0072896396 LCCN: Subjects--Topical Terms: Music appreciation LC Class. No.: MT6 / .W533W7 1999 Dewey Class. No.: 781.17 / W739w