“It was quite dynamic, actually, his voice. I thought, well, his voice is fairly simple, and it was in some respects. But a song like 'Walk the Line,' for instance, one thing he did is change keys. That song, every verse changes keys.”
“I thought, he feels more comfortable with the guitar, and he just started strumming. It was amazing. It was like a brand new body, suddenly. I've never seen anything like that.”
“Well, it's hard to say who John was because he was such a complicated character, ... You know, he represents so many things to so many different people. And that, to me, was why I was fascinated to play him. John's certainly not one-note. As an actor, there was a lot to work with.”
“I didn't make a decision and say, 'I'm gonna sing.' It was, in some sense, 'Let's see what's gonna happen. Let's try this, let's work on this, and we'll see how it goes.'”
“If people want to hear Johnny Cash, he has made a couple of records, they can check 'em out, ... If they want to see him, there's video, there's documentaries.”