(Piano Solo Songbook). The Good Dinosaur asks the question: What if the asteroid that forever changed life on Earth missed the planet completely and giant dinosaurs never became extinct? Pixar Animation Studios takes you on an epic journey into the world of dinosaurs where an Apatosaurus named Arlo makes an unlikely human friend. While traveling through a harsh and mysterious landscape, Arlo learns the power of confronting his fears and discovers what he is truly capable of. Our matching folio features 11 pieces from the soundtrack of Academy Award-winning composer Mychael Danna arranged for piano solo as well as eight pages of full-color art from the film.