The 20-Minute Chords & Harmony Workout
By Stuart Isacoff
Piano Theory Supplement
This book will make keyboard harmony easier than ever to understand and to play. It's a complete step-by-step guide to keyboard chords and how they work. You'll find music and diagrams covering the basics, inversions, chord progressions and more, with fun-filled drills and superb, clear explanations to make chords easy to understand.