Book 6: Level 6 concepts include: a review of major and minor triads; diminished and augmented triads; the diminished seventh chord; a special style of pedaling; the key of F-sharp Minor; the E Major scale; the key of C-sharp minor; the A-flat Major scale; thirty-second notes; and dotted sixteenth notes. This book also contains an important daily scale routine and a dictionary of musical terms. For reinforcement of each principle as it is introduced, supplementary material is carefully coordinated, page for page, at each level of instruction.