If I sing "you broke my heart, you left me flat," everyone knows exactly what that means - they know the story. But if I sing a line that's plaintive or wailing, people can experience their own set of emotions and their own story. Each of us might give that phrase a different meaning. It's open to interpretation, and one song becomes a thousand songs. I love that.

I think we listen to music because we want to be changed. Music is not solely for our entertainment. Music has such tremendous power to bring joy. To me, that's our job as artists. Not happiness, not a groove, whatever. You must bring joy. I think that's the assignment. I have no doubt about it.

Sometimes mistakes are the best thing that can happen, because they might lift you...out of your complacency, and open your mind up to a whole other area that you wouldn't have gone to intentionally.

The true musician is to bring light into people's hearts.

Then I came up with this crazy idea just to walk out on the stage with no band at all and just start singing whatever came to mind. I actually fought the idea for a while because it seemed almost too radical, but it became obvious what I was supposed to be doing.

I like a very dark house, just black. I sit there and just think. Once I'm still and quiet inside, I'll begin. It's very personal; it has to be. One song may be Bach, the next blues, a song from TV, or a nursery rhyme or jazz piece.

Seriously though, my father was the first African American to sign a contract with the Metropolitan Opera so I grew up with classical music and jazz in the home all the time.