The Origin of the Four Important Chord Types & Their Scales

The Origin of the Four Important Chord Types and Their Scales is a detailed jazz tutorial based on Barry Harris’ harmonic principles. It provides a clear explanation of how the four essential chord types are formed and how their corresponding scales are derived.

Ideal for musicians, composers, and students of jazz theory, this educational resource includes an appendix with practical musical examples written for the piano — demonstrating how these chords and scales are used in real harmonic contexts.

Perfect for anyone looking to deepen their understanding of jazz harmony, chord construction, and scale relationships.