I was just listening to the mono mix, and noticed a very obvious music edit difference which nobody has seemed to ever point out before.
I used to listen to the soundtrack a lot, and many years ago I noticed that in the Death Star attack, the first note of that great Force theme fanfare when the Rebels dive was clipped off. Obviously, somewhere between scoring and the final cut, the pacing of that bit was tightened and one beat had to be removed.
However, in the mono mix, there is a different music edit. That first note is restored...but there is a new, and IMO clumsier, edit which chops off most of that great upward flourish preceding it.
Anyone ever notice this? Analyses of the mono mix always bring up the sound effects and dialogue differences, but I've never seen any mention of this different music edit!