The music sound book introduces the youngest music lover to a well known musical instrument with whimsical illustrations and 5 music sound buttons with various types of genres in order to experience the joy of music!Babies and toddlers will love discovering the wonderful world of piano music that features a sound button on every spread! From classical to boogie woogie, the illustrations and sound are great for children and they will love puching the sound buttons over and over. What a great way to hear piano music! (on / off switch on back of book)