Book excerpt: Watch a cool light show while you sing each song! The first 2 spreads of the book retell the Disney movie Frozen story leading up to the moment when Elsa sings 'Let It Go'. Press buttons 1-4 on the module to add sounds to the story. The 3 following spreads feature the lyrics of 'Let It Go'. Press buttons 5-9 to play a few lines of the song at a time. Then press the last button to play the whole first verse and chorus. Watch the lights on the module twinkle while you sing along to the music. 10 sound/song buttons and 4 star-shaped LEDs on a module shaped like a music note.