Music therapy was so important in the early stages of my recovery because it can help retrain different parts of your brain to form language centers in areas where they weren't before you were injured.

I actually feel that the different kinds of stories come out of different parts of my brain.

There is zero correlation between IQ and emotional empathy... They're controlled by different parts of the brain.

When you listen to my music, you hear that there are all these voices going on in different parts of the song. That's because I was always around so many voices in church.

You can open up a centenarian's brain, and you'll see some areas that look like that of a 50-year-old or of a 110-year-old. You can have variation in the basic process of aging, called senescence, in different parts of the same body.

I've played so many different parts in the last 40 years.