Techniques, scales and soloing concepts for guitar complete with online audio for practice use; in-depth study of modes; soloing over chord changes and modulations; harmonic minor, diminished and other scales; blues-based music; and much more! The audio is accessed online using the unique code inside each 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.