noun
background music for a film, TV drama, etc.
Refers to incidental music composed specifically for a visual media production, as opposed to pre-existing songs. Common in contexts like anime, movies, and TV dramas.
このアニメの劇伴はとても印象的だ。
The background music for this anime is very impressive.
彼は多くの映画で劇伴を担当している。
He is in charge of the background music for many movies.