"Whenever he couldn’t sleep, we’d hear him in the studio. The way it was set up we could see the studio windows from the trailer. It’d be three-thirty in the morning, pitch black outside, the whole neighborhood quiet. The light in the studio would come on. You wouldn’t hear anything for a while. There was a TV in there; maybe he was watching videos or something. Then, about fifteen minutes later, you’d hear a bass line. You’d hear him adjusting the volume, the tempo, you’d hear his feet moving on the boards – and then that voice, that voice that sold millions of records. It would just come pouring out of him. Beautiful. Incredible.“