Best Of: Rhiannon Giddens / Investigating Diddy’s Rise & Fall

Rhiannon Giddens doesn’t usually make pop music, but she wrote and played the banjo riff on Beyoncé’s country single, “Texas Hold ‘Em.” She comes from the Black string band tradition, is the artistic director of the Silk Road Ensemble, and studied opera in college. Giddens spoke with Terry Gross about channeling her ancestors through her instrument. Also, Rolling Stone investigative reporter Cheyenne Roundtree talks with Tonya Mosley about her new book, Bad Boy for Life . It tells the story of S