Key is one of the simplest building blocks of musicand is among the foundational properties of a work's musical identityso why isn't ita standard parameter in discussing film music? Key Constellations: Interpreting Tonality in Film is the first book to investigate film soundtracksincluding original scoring, preexisting music, and sound effectsthrough the lens of large-scale tonality. Exploring compelling analytical examples from numerous popular films, Thirih Motazedian shows how key and pitch analysis of film music can reveal hidden layers of narrative meaning, giving readers exciting new ways to engage with their favorite films and soundtracks.