Film score:
- Typically composed by a single composer
- Specifically written to accompany the film's action and emotions
- Enhances the film's atmosphere and emotional impact
- Plays throughout the film, except during dialogue or sound effects
- Often orchestral or instrumental, but can include other instruments and sounds
- Rarely features lyrics or vocals
- Composed before or during filming
Soundtrack:
- Can include the film score, as well as other songs and music
- Includes any music played in the film's background or performed by characters
- May feature songs from different genres, artists, and sources
- Can include non-instrumental tracks, such as songs with lyrics
- Sometimes includes original music composed for the film, but may also include existing songs
- Can be released as an album separate from the film
In summary, a film score is specifically composed to enhance the film's narrative and emotions, while a soundtrack includes all music featured in the film, ranging from the score to any other relevant songs or pieces.