Before you begin interviewing an artist for a biography, you spend years emerged in the details of his life: doing online research; reading dozens of newspaper and magazine articles; listening to old albums and CDs; watching videos and DVDs; talking to his friends, family, musicians, managers, producers, and so many people that played a role in his life. So it wasn’t surprising that once I began interviewing in his home in January 2003, I developed what I called “Johnny Fever