I took an "intro to electronic music" class in university, and we watched several films that demonstrated the evolution of electronic music in cinema. I am trying to remember one of them we watched.
I believe it was black-and-white, and had something to do with analyzing someone's dream. They are trying to figure out a mystery by analyzing what someone is dreaming. I believe it was a bit of a mystery movie, a bit psychological. The only image I remember in the movie was in the dream there was a house-like building, and on the roof was a maybe a deformed wheel and it was supposed to represent a gun. I think.
And because of the context in which I watched it, I assume it has a remarkable soundtrack for some reason or another.
I hope this is enough to go on. I really don't remember any more than that.