Theory Time Grade Ten workbook is an advanced comprehensive theory workbook. Concepts include: Perfect, major, augmented & diminished intervals & inversions, chromatic & diatonic half steps, major, minor, diminished & augmented triads & inversions, diatonic, chromatic & whole tone scales, 3 types of minor scales, seventh chords, V7 chords, major & minor circle of 5ths, parallel keys, simple, compound & irregular meter, open & close harmony in 4-part writing, authentic & half cadence, 4-part harmonic analysis, transposition, melody writing in melodic minor, vocabulary, ear-training, and a review test.