We see with the eyes, but we see with the brain as well. And seeing with the brain is often called imagination.

I think the brain is a dynamic system in which some parts control or suppress other parts. And if perhaps one has damage in one of the controlling or suppressing areas, then you may have the emergence or eruption of something, whether it is a seizure, a criminal trait - - or even a sudden musical passion.

Psychotic hallucinations, whether they are visual or vocal, they address you. They accuse you. They seduce you. They humiliate you. They jeer at you. You interact with them.

The rhythm of music is very, very important for people with Parkinson's. But it's also very important with other sorts of patients, such as patients with Tourette's syndrome. Music helps them bring their impulses and tics under control. There is even a whole percussion orchestra made up exclusively of Tourette's patients.

Music can lift us out of depression or move us to tears - it is a remedy, a tonic, orange juice for the ear.

Although I think it is wonderful to have the whole world of music available in something that small and to have it conveyed with such fidelity almost straight into the brain, I think the technology is also a danger.

The power of music, whether joyous or cathartic must steal on one unawares, come spontaneously as a blessing or a grace--