The Music Theory Guidebook will help you understand music better so you can play along to your favorite songs faster. Join us as we learn how to: 1 - Build major keys 2 - Construct major scales 3 - Know what chords sound good together 4 - Understand the cycle of 4ths/5ths 5 - Make major, minor and diminished chords 6 - Use the number system to play songs in any major key 7 - Implement bar chords with the number system to play the songs you love fast... and more