(Willis). Now beginning pianists can enjoy Book 2 with play-along tracks! This piano course provides the student the opportunity to experience the joy of playing while learning the rudiments of music in a logical order, with gradual and steady progress, presenting a challenge toward increasing pianistic facility. 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.