The fourth edition of Harmony and Voice Leading by Edward Aldwell, Carl Schachter, and Allen Cadwallader is a widely respected textbook for classical music theory. It is particularly noted for its emphasis on the linear aspects of music, integrating Schenkerian principles to show how individual melodic lines and harmonic progressions work together.
: Covers keys, scales, modes, and basic chord structures (triads and seventh chords). Harmony & Voice Leading (4th edition)
: Reviewers from Classical Net highlight it as one of the most successful books for explaining why harmony works the way it does. The fourth edition of Harmony and Voice Leading
: This edition introduced a premium website for students with interactive exercises. Critical Reception & Considerations Harmony & Voice Leading (4th edition)