soundtrack◼◼◼(a narrow strip running down a movie film that carries the recorded sound in synchronization with the pictures) noun [UK: ˈsaʊnd.træk] [US: ˈsaʊnd.træk]
soundtrack◼◼◼(the sound (especially the music) component of a movie) noun [UK: ˈsaʊnd.træk] [US: ˈsaʊnd.træk]