Agreed - that is certainly the largest obstacle. We have virtually nothing to get this missing music from, other than the DVD itself. I wonder if isolating certain surround channels from the DVD would help to filter out the sound effects. My guess would be not so much, because even though the speech may be primarily in the front speaker, the sound effects are spread across all the channels in the 5.1 surround mix, making the process of filtering out the sound effects very difficult, if not impossible. I have the record you linked to, and that may possible contribute bits of the music, as it contains 45 minutes of music and dialog straight from the movie, but it probably doesn't contain the full length music cues that the film contains, being a shortened version of the film.