soundtrack
US: /ˈsaʊnˌtɹæk/, /ˈsaʊndˌtɹæk/
UK: /sˈaʊndtɹæk/
Advanced English dictionary
+ noun1 all the music, speech and sounds that are recorded for a film/movie: The soundtrack of 'Casablanca' took weeks to edit.
2 some of the music, and sometimes some speech, from a film/movie or musical play that is recorded on tape or disc for people to buy: I've just bought the soundtrack of the latest Tarantino movie.
Collocation
ADJ.
film
VERB + SOUNDTRACK
compose | listen to
PREP.
~ for/of/to
She composed the soundtracks to several hit movies.