Basics of Keyboard Theory: Level VI (late intermediate) composed by Julie McIntosh Johnson. For piano. Basics of Keyboard Theory. Level VI (late intermediate). Workbook. Published by Julie Johnson Music Publications (JJ.BKT6).
Level VI (late intermediate): All previous material plus keys of f sharp and b flat minors, Augmented and diminished intervals, Augmented triads, Roman Numerals in harmonic minor, deceptive cadence, modulation, chord progressions.