[Billy Strayhorn] understood the violin as well as he understood Jazz, and he wrote for the violin as a violin.

Improvisation, it is a mystery. You can write a book about it, but by the end no one still knows what it is. When I improvise and I'm in good form, I'm like somebody half sleeping. I even forget there are people in front of me. Great improvisers are like priests they are thinking only of their god.

Great improvisers are like priests... they are thinking only of their God