Music

Ever since shortly after her famed performance at the 1959 Newport Folk Festival, Joan Baez has been an internationally known star, famous for classic albums and a career marked by social and political activism.

If you're one of the few viewers still confused about what Treme is saying about art, do note this episode's "play-within-a-play" staging of Samuel Beckett's Waiting for Godot. The existentialist play revolves around two characters, Vladimir (nicknamed Didi) and Estragon (called Gogo), who wait interminably for a mysterious "Godot" by a desolate country road. It's clearly meant to parallel New Orleans residents' wait for essential social services, complete with the barren backdrop of the city post-Katrina.

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Pat Fitzgerald and Robin Dale Ford make their first appearance on Mountain Stage, recorded live on the campus of the University of Alaska at Fairbanks. The two have worked together and separately for more than 20 years, in the process becoming an integral part of Alaska's unique musical landscape, where rock and acoustic music often find common ground.

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Pablo Helguera is a New York-based artist working with sculpture, drawing, photography and performance. You can see more of his work at Artworld Salon and on his own site.

• New York Philharmonic Music Director Emeritus Kurt Masur, 85, has announced that he has been living with Parkinson's disease for several years: "I have had the fortune of receiving great medical care since the diagnosis, enabling me to continue my conducting activities. These recent events have served as a good opportunity to make a return to the podium with a greater sense of purpose and awareness."