So, it becomes an exercise in futility if you write something that does not express the film as the director wishes. It's still their ball game. It's their show. I think any successful composer learns how to dance around the director's impulses. ↗
Whenever you play dance music, it serves a function. It becomes a utility; you have to worry about the tempos and what you're going to play for people. But when you're playing for listening, you're free. ↗