Grace Vandendool's thorough approach to keyboard theory offers students easy-to-understand lessons and plenty of reinforcement activities. The progressive Preparatory Series and Theory Series include visual aids that strengthen the connection between theory and practice, laying the groundwork for success in the study of harmony. Harmony, 2nd Editionemphasizes harmonic fundamentals and organizes concepts into two progressive levels with Answer Books. This series is ideal for late-intermediate to advanced level students.

Intermediate Harmony addresses chord construction in minor keys; half-diminished 7th chords; secondary dominants; modulating sequences; mode mixture; voice leading; melody writing; harmonization of chorales; setting chorale texts; figured bass; keyboard style and accompaniment; jazz improvisation; Romantic ornamentation; and structural analysis.