I also believe on a practical level, if you're taking time away from people, besides entertaining them, I think it's important that there's something to react to.
Nicolas Winding RefnI don't do drugs, and so music very much gets me going. When I do something, I think, "If it was a piece of music, what would it be?"
Nicolas Winding RefnDoing your first film, it's very important that it's a commercial success, because that gives you a couple times to experiment until you have to hit the jackpot again.
Nicolas Winding Refn