(Snow White was also a musical film, but an animated one.) The album was originally issued as a set of four 10-inch 78-rpm records.
Only eight selections from the film were included in this first edition of the album.
In reality, however, soundtrack producers remain ambiguous about this distinction, and titles in which the music on the album does lock to picture may be labeled as OCS and music from an album that does not lock to picture may be referred to as OMPS.
Like the 1967 re-release of the film, this version of the score was artificially "enhanced for stereo".
In recent years, Rhino Records has released a 2-CD set of the complete Gone With the Wind score, restored to its original mono sound.
While it is correct in some instances to call a "soundtrack" a "cast recording" (since in most cases it contains performances recorded by the original film cast) it is never correct to call a "cast recording" a "soundtrack." Contributing to the vagueness of the term are projects such as The Sound of Music Live!
which was filmed live on the set for an NBC holiday season special first broadcast in 2013.
One of the biggest-selling film scores of all time was John Williams' music from the movie Star Wars.