(Fretted). This complete method for the practicing musician covers: intervals, rhythms and melodic shapes; inversions, scales, chords, extensions and alterations; fretboard visualization, fingering diagrams; and much more. The audio includes 99 full-demo tracks. 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.