(Willis). Part 4 of a comprehensive step-by-step course specifically designed to suit the needs of all children beginning the piano. Includes: characters and illustrations * writing exercises * sight reading drills * review work * accompaniments * and more. This version includes online audio. 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.