Music represents such a vital perspective with the potential to cut across boundaries, habits, and prejudice, and musicians have a lot to offer, not just within, but beyond the world of entertainment. John Legend is a perfect example, having blessed our screens and ears with beautiful, powerful, and important music, television, and movies over the years. But he is also working passionately to restore rights and gain equality for so many in this nation. John joins Pete to discuss why he won't just "shut up and sing," the fine line between free speech and censorship on social media, and his work with his organization, FreeAmerica, which aims to tackle mass incarceration.