Contributor(s): Author: Duane Shinn Learn piano chords galore -- how they are formed and what to do with them. Learn to link chords together into chord progressions. Illustrations of each chord on a piano keyboard make it easy to understand and use. Learn to play piano using these piano lessons in a music bookLearn music chords including major, minor, diminished, augmented, 6th, 7th, 9th, 11th and 13th chords, plus suspensions and alterations. Read music faster and understand music theory