OST
n. countablen. Stands for Original Soundtrack. The collection of music created for a movie, television show, or video game.
n. Abbreviation for Original Soundtrack. The recorded music accompanying and synchronised to the images of a motion picture, television program, or video game. It functions as a collective noun for the musical score and licensed songs.
The movie was okay, but the OST is amazing.
Fans of the game often listen to the OST on streaming platforms even when they aren't playing.
While the film received mixed reviews for its pacing, the OST was universally praised for its evocative use of traditional instruments blended with modern electronic textures.
Commonly used in digital contexts and fan communities; often treated as a singular countable noun.