I think that acting is a very humanizing profession.
My job as an actor is to serve the writing and help the author get his ideas across.
Its a really wonderful thing to focus your life on something other than your own personal career and ambition.
Secondarily, I think films that are driven by music also terrify studios.
Essentially, your voice is an instrument; its a muscle, and you have to treat it like a muscle, and so you have to work it.
I've done big studio films and the big studio films I've done, I've tried to do the interesting ones and the ones where I could live with myself in the morning.