You can alter movie singing so much because you go into the recording studio and, just technology for recording has gotten so good, you can hold out a note and they can combine a note from take 2 and a note from take 8.
“I've been lucky. I've made films that I really like. It's been a combination of what comes to me and what I choose. I've gone after lots of things that I didn't get, pet projects that everybody ends up chasing after. Really, you're lucky if you get anything.”