Soundtrack
musical concept; recorded music accompanying a production such as a film / From Wikipedia, the free encyclopedia
A soundtrack, also written sound track,[1] can be recorded music that is synchronized to the images of a motion picture. Soundtracks can also be part of a book, television program, radio program or video game. A commercially released soundtrack album can be of music from a film or TV show. The term can also mean the physical area of photographic film that contains the synchronized recorded sound.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/d/d3/35mm_film_with_digital_soundtrack.jpg/250px-35mm_film_with_digital_soundtrack.jpg)
Simulated 35mm film with soundtracks. the outer strips on both sides are the digital soundtracks