Linda Ronstadt’s career spanned decades and musical styles from country-rock to operetta. Parkinson’s disease has taken away her ability to sing, but she explains that she’s not ready to leave music behind yet. And Herb Alpert became famous by turning the sounds of a Mexican bullfight into mainstream pop. But his career in music far outlasted the Tijuana Brass sound. Also, novelist and jazz musician James McBride explains how he turned John Brown’s raid on Harper’s Ferry into kind of a funny story.