Jay-Z has parlayed artistic success into financial fortune valued at up to $450 million, according to Forbes.
Jay-Z's forays into the business world are described in a new book by Forbes writer Zack O'Malley Greenburg, entitled Empire State of Mind: How Jay-Z went from rags-to-riches.
Have a plan B, C, and D ready people. That's how tough the music business is. Hear some very candid advice from superstar record producer and artist Pharrell.