(Willis). Book 2 in a method for acoustic guitar. It starts simply and increases in difficulty as students enjoy the music they''re learning to play. Includes authentic audio tracks by the composer so that the student feels like they just joined a band! Includes 25 songs. 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.