How can I make sure that the scores I compose...
... don't sound the same? Do I look for different instruments for each movie?
shareAnother non-sequitur. What's that got to do with anything?
You're implying that it's necessary to produce a score that you as a composer and as the director might not like or want purely for the sake of avoiding what might be objectively considered exactly the same as something you as a director and as a composer has produced in the past, you imagine.
Basically you're saying is that you have no idea how to avoid commissioning the exact same score from yourself or how to not provide a score for yourself that isn't the exact same as a score that was previously commissioned and produced by yourself.
Like a goldfish which is also, somehow, a director and a composer.
"I don't need to believe it's real. I just need to believe it."