(Fast Track Music Instruction). Includes 96 songs and examples in rock, blues, R&B, funk and other styles; riffs, slap and pop; fifth position, scales and keys; and more 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.