Included in this book is the following: Chord construction (extensive), Chord substitution, Inversions, Audio links, Chord charts in keyboard view showing just about every chord that you will ever need including 7ths, 9ths, augmented, diminished etc. and how to play an effective 13th chord with just four notes, Free music notation and recording software: Free Printable PDF Download (far more readable). Note that all of this information plus an enormous amount more is also included in my paperback books or printable eBooks: Learn How to Play Electronic Keyboard or Piano In a week! Learn How to Play Piano / Keyboard By Ear! Without Reading Music - Everything Shown in Keyboard View But if you are just looking for chords then its all here! Please note that the paperback version is monochrome only.