All I can recall on those titles (plus SONG OF NORWAY) is 70mm prints. I don't know what the condition was if it could have been possible to have had the sound transferred from them.
I agree it was frustrating they were released in mono. I don't recall if any stereo magnetic masters were amongst...
Thanks for showing that. Records didn't indicate anything about a Dolby Stereo theatrical release, only 4-track, so there's the proof. (Could have been released in both formats).
I worked at Disney for twenty two years. During that time I was able to access audio files.
I worked directly on two titles for home video JUNGLE BOOK (1967) and PETE'S DRAGON.
The stereo re-issue of JUNGLE BOOK utilized the original 3-track music masters. I know this because I personally did...
That's interesting about "Forbidden Planet". I was under the impression from someone who worked on the blu ray that a discrete 35mm 3-track stereo fullcoat was used but the surround track, which was recorded on a seventeen and a half millimeter magnetic format, had deteriorated and for the blu...
I've noticed on some of the '50's MGM releases, that had 3 or 4 track stereo original mixes (not made for home video) had a perspecta credit in the titles.
This would imply that, at least with MGM, that two versions of the audio was available to theaters. With MGM, any perspecta release mostly...