Roots of Rock: Sun Records founder Sam Phillips

Combine an intelligent interviewer with a roster of guests that, according to the Chicago Tribune, would be prized by any talk-show host, and you're bound to get an interesting conversation. Fresh Air interviews, though, are in a category by themselves, distinguished by the unique approach of host and executive producer Terry Gross. "A remarkable blend of empathy and warmth, genuine curiosity and sharp intelligence," says the San Francisco Chronicle.