Assertion: composer's music | /r/HasProperty | featured on sourced music
Facets:
Source sentences:
text: They are usually responsible for all the music featured on film soundtracks, including: performed music (e.g., a band or singer who performs within the narrative of the film), all sourced music (e.g., bought-in pop, jazz, classical music), and the score, written by the composer specifically for the film.