If Mozart were around now he would write a killer rock song.

And it's sad because it's like a surprise to people - almost an anomaly - when artists are actually refined and trained on an instrument. That's the last thing people think about.

I don't put boundaries on myself when I sit at the piano.

I am not this big celebrity, but it gets really crazy. You have to go through the nuts of blowing up, in a sense, and then figuring out how to live your life with that.

But now - look, I have to take care of myself. I work out every day. I'm a dancer. I've always been an athlete, and I'm one of those people who start to go crazy if they don't run or do something.

But when you hear the complete album, it gets dark, really straight-up rock, with some really intimate moments with just me and the piano. It's not completely me because there are parts of me that aren't on that song, that are on the album.

I don't use sex to sell records, obviously, but I'd be lying if I said that I don't feel like I have to make an effort to look good when I go out onstage, to wear something pretty.