How to Train Your Dragon - The Hidden World. Music from the Motion Picture Soundtrack by John Powell.This souvenir songbook features beautiful full-color scenes from the movie plus piano solo arrangements of ten lovely John Powell works: Exodus! - Furies in Love - The Hidden World - Legend Has It/Cliffside Playtime - New 'New Tail' - Once There Were Dragons - Third Date - Together from Afar - Toothless: Smitten. - With Love Comes a Great Waterfall.