Big Bands with Martin Williams.

Martin Williams is a jazz critic, writer, and academic. He currently works at the Smithsonian Institution. He discusses jazz criticism and the effect jazz has had on classical music. He also shares some of his favorite records.

Justin Chang says the captivating new drama, "The Disciple," is one of the best movies he's seen this year. The film won the best screenplay prize at last year's Venice International Film Festival. It tells the story of a young man from Mumbai who aspires to be a great classical Indian singer.

Rock writer and critic Robert Palmer. He was the New York Times's first full-time rock writer and chief pop critic, and he's a contributing editor at Rolling Stones. He's written several books on blues and rock and roll, and was the writer and music director for the award-winning documentary films, "The World According to John Coltrane," and "Deep Blues." His latest work is chief advisor to the ten-part PBS documentary, "Rock & Roll: An Unruly History," currently airing on PBS. He's also a companion book (Harmony Books).