A producer's job is to find the songs and figure out how he...

A producer's job is to find the songs and figure out how he wants to put everything together. But Justin had also the luxury of saying, 'OK, I want the record to sound this way.' He knew exactly how to make it sound that way and not depend on an engineer to do it. So right down the line from guitar sounds to the keyboards -- everything -- he knew exactly what he wanted to do.