Do-It-Yourself Music Theory is a fun way to get started understanding music on your own. Using well-known music from pop, classical and many other styles you will be given step-by-step instructions on what you need to know to get started. You'll be understanding everything in no time! Includes over 180 piano demonstration tracks of the following topics: Theory basics; Understanding chords, scales and keys; Intervals; Chord sequences; Classical music; Jazz harmony; Checkpoints for testing your knowledge Audio is accessed online using the unique code inside the book and can be streamed or downloaded. The audio files include PLAYBACK+ a multi-functional audio player that allows you to slow down audio without changing pitch, set loop points, change keys and pan left or right.