Happyman 1 by Ratboy Genius

Want to write better chord progressions and melodies?

The Hooktheory Book Series will concretely teach you how to craft melodies and chord progressions like professional musicians, and gain a deep understanding and intuition for how music works.

The Book Series is designed for hobby musicians at all skill levels. It doesn’t require any previous music knowledge or the ability to read music.

Available for Web, iOS, iBooks, and Android.