Over the last three decades, one music producer and record man has transformed the business, discovering and producing some of the greatest acts in pop music history, including Toni Braxton, Kanye West, Rihanna, TLC, Outkast, Mariah Carey, Pink, Justin Bieber, and Usher. At the helm of four celebrated and innovative music labels--LaFace, Arista, Island Def Jam, and Epic--LA Reid set his sights on finding one star after the next, and then worked behind...