wnyc.org: "In 1963, Johnny Cash released one of the biggest hits of his career with the trumpeting, propulsive “Ring of Fire.” But he followed up with a most obscure and controversial effort: the 1964 folk-protest album called “Bitter Tears: Ballads of the American Indian.” Writer/filmmaker Antonino D’Ambrosio - whose book, A Heartbeat and a Guitar: Johnny Cash and the Making of Bitter Tears, tells the story of the release - joins us for a fresh look at a forgotten classic." Read on