Superman-The Movie: Extended Cut The Music Mystery
“The audio people for “Superman-The Movie: Extended Cut” partially restored what was originally intended for the film, without doing it completely or competently, creating an all-new music edit for the opening titles of the film, one which was never intended by the composer or the filmmakers.”
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http://www.capedwonder.com/STMEC/CW-Superman-Extended-Cut-music-article.pdf