Then there's the scores that have one great cue, and it's not on the album.
When IT'S ALL TRUE got a theatrical release in 1993 I saw it and I bought the soundtrack...
...for ONLY one great cue...which didn't feature in it !
Here's the sequence from this movie on Orson Welles' film project which is in fact a sequence from a short movie, MY FRIEND BONITO, that was intended to be a long feature (I just wonder if this is not a first draft for Rapper's THE BRAVE ONE)