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.”
…http://www.capedwonder.com/STMEC/CW-Superman-Extended-Cut-music-article.pdf
I don’t have this set, but people do seem disappointed in the lack of “wooshing” sound effects when the titles fly in during the intro credits. Apparently they also left out some shots of an ambulance accidentally.