soundtrack
nounUK /ˈsaʊndtræk/
US /ˈsaʊndtræk/
The music and sounds that go with a movie or a show.
My favorite part of the movie was the soundtrack.
OTHER MEANINGS
2. The recorded sound layer of a film, including dialogue and effects.
The soundtrack was remastered for the anniversary release.
3. A strip on a film or tape that carries the sound.
The old film's soundtrack was damaged.
4. A collection of songs released from a film or show.
She bought the soundtrack after seeing the musical.