At a Glance The Disney Princess Song Book has an attached six-button sound module that plays six popular melodies that feature Cinderella Features and benefits for Disney Princess One Upon A Song Book The Disney Princess Song Book has an attached six-button sound module that plays six popular melodies that feature Cinderella, Tiana, Snow White, Sleeping Beauty, and Ariel, as well as many of the Disney Princesses friends. Lyrics for the songs are printed on the book's pages, enabling children to sing along. The buttons on the sound module match illustrated icons on the pages. When children press the buttons, they hear these songs: The More We Get Together, If You're Happy and You Know It, Go Round and Round the Castle (to the melody of Go Round and Round the Village), Home, Sweet Home. Hail,Hail, Our Friends Are Here (to the melody of Hail, Hail, The Gang's All Here and Beautiful Dreamer. The Disney Princess Song Book is powered by three replaceable long-life AG-13 button cell batteries, which are included. The sturdy, coated board pages stand up to repeated use. The book conforms to the safety requirements of ASTM F963-08.