Long before he sold 50 million records worldwide — and before he appeared alongside Warren Buffett on the cover of Fortune magazine, accumulated 10 Grammy Awards and became the CEO of his own record label — Jay-Z was living with his mom in the Marcy Houses housing project in Bedford-Stuyvesant, Brooklyn, just trying to survive day by day.
http://www.npr.org/2011/11/25/142506767/jay-z-decoded-the-fresh-air-interview
