I collected a list of all GOUT synced audio tracks that were taken from various sources and various projects as well as the different video that each of them will sync to.

http://originaltrilogy.com/forum/topic.cfm/A-summary-of-GOUT-synced-Video-Audio-and-Subtitle-sources-WORK-IN-PROGRESS/post/583569/#TopicPost583569

It is updated up to a year ago but will give you something to work with. I do not have the answers to your questions but am sure that someone else will.

One of the last things I remember adding was a Digital (not analogue) version of the original pre-remix LD release of Star Wars.