This week marks the 100 year anniversary of the first radio broadcast of National Barn Dance in Chicago. That's a variety show that predates the Grand Ole Opry and is credited with popularizing country music. And it's high time that the genre writ large acknowledges the history and role of Black musicians and fans in shaping the genre, says Francesca Royster, author of "Black Country Music: Listening For Revolutions." We sat down with her to learn more about the history, the opportunity of this moment and of course, to dig into Beyoncé's latest album, "Cowboy Carter."