In popular music, singing anything but a love song can sometimes constitute a risk. And tackling complex issues like race, class, gender, or the environment in a song can be an especially hard sell. But whether a protest singer writes primarily and overtly about politics, or a pop artist sprinkles cultural commentary in with more traditional subject matter, music can be a powerful conversation-starter. In a time of intense national debate, with social issues driving the news cycle and presidential campaign talking points, art that dares to wade into these deep waters is more vital than ever. Here are 10 musicians who’ve delved into social issues in their music, some of whom will be performing at Shining a Light: A Concert for Progress on Race in America, airing on A+E Networks (A&E, HISTORY, Lifetime, FYI, LMN, H2) Friday, November 20th, at 8/7c.