John McTiernan

“To decide what the next note is in a piece of music, you don't think about the plot, or what it means, you think about: what does it sound like? Is it in the right rhythm, the right key? So the montage in a film needs to be in the same key, and if you're going to change key, you'd better transpose it into the other key, as if you were composing a concerto. ”