soundtrack

[ sound-trak ]

/ ˈsaʊndˌtræk /

the narrow band on one or both sides of a motion-picture film on which sound is recorded.

the sound recorded on a motion-picture film; audio portion of a film.

the music or dialogue from a film available on a commercial recording.

Origin of soundtrack

First recorded in 1925–30; sound¹ + track

Mariachis provided the soundtrack as the City went mad with Fernando-mania.

The Liberal Case Against Illegal Immigration |Doug McIntyre |November 25, 2014 |DAILY BEAST
Film fans also know the band for its soundtrack to the Jacques Demy film Model Shop.

‘No Stairway, Denied!’ Led Zeppelin Lawsuit Winds on Down the Road |Keith Phipps |October 22, 2014 |DAILY BEAST
Yankee Doodle Dandy, from 1942, tells the story of the man who practically wrote the soundtrack to American patriotism.

13 Most Patriotic Movies Ever: ‘Act of Valor,’ ‘Top Gun’ & More (VIDEO) |Melissa Leon |July 4, 2014 |DAILY BEAST
Brian Eno was the first one invited to do the soundtrack; after all, the film was intended as an homage to Andy Warhol.

Punks, UFOs, and Heroin: How ‘Liquid Sky’ Became a Cult Movie |Daniel Genis |June 2, 2014 |DAILY BEAST

In fact, I think they're even playing the Boardwalk Empire soundtrack.

The Secret Speakeasies of Buenos Aires |Jeff Campagna |February 25, 2014 |DAILY BEAST
They lipsynch the soundtrack, cadge souvenirs and pester you with smarmy, show-off questions.

Down and Out in the Magic Kingdom |Cory Doctorow

soundtrack

/ (ˈsaʊndˌtræk) /

the recorded sound accompaniment to a film Compare commentary (def. 2)

a narrow strip along the side of a spool of film, which carries the sound accompaniment

(tr) to provide a continuous accompaniment of sounds, esp music