"I think that there are moments in hip-hop culture and pop culture when we become ready for somebody to complicate our lives," says NPR's Frannie Kelley of rapper Kendrick Lamar. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

This week, a judge in Pennsylvania moved forward with a lawsuit against the members of Led Zeppelin and their music publishers. The band is accused of plagiarism. Dario Cantatore/AP hide caption

itoggle caption Dario Cantatore/AP

Pandora founder Tim Westergren is a former touring musician himself, but some say the music streaming service he leads is hurting musicians more than helping. Larry Busacca/Getty Images hide caption

itoggle caption Larry Busacca/Getty Images