This investigator analyzed the effects of the instructional resources, Contract Activity Package (CAP) and ProgrammedLearning Sequence (PLS), on the short- and long-term achievement and attitudes of seventh- and eighth-grade general music students (n = 90) enrolled in a suburban middle school north of New York City. Students were administered the Learning Styles Inventory (LSI) (Dunn, Dunn, & Price, 1990) to identify their individual learning-style strengths, and alternately were presented with traditional lecture, CAP, and PLS lessons. Class examinations measured their achievement for content mastery, and the Semantic Differential Scale (SDS) (Pizzo, 1981) compared their attitudes toward the three methods