The Voice Turns Up The Volume 40 Under 40 - The next-gen leaders of the music industry U2's Free For All Album - How Apple's $100M gamble changes everything Lecrae: The Grammy-winning MC and Christian superstar might be music's new conscience On the Cover: Blake Shelton, Pharrell Williams, Adam Levine and Gwen Stefani Item: BLI-09/20/2014 Issue Date: 09/20/2014