Gordon, Edwin, 1927-2015. Learning sequences in music : skill, content, and patterns : a music learning theory : study guide / Edwin E. Gordon. - 1997 ed. - Chicago : GIA, c1997. - viii, 219 p. ; 24 cm. ISBN: 1579520053 Subjects--Topical Terms: Music--Instruction and study. LC Class. No.: MT1 / .G646 1997 Suppl. 1