Courtesy of the artist

Empirical. William Ellis hide caption

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Guitarist Bill Frisell and his trio soundtracks Buster Keaton's Go West and two more films on a new DVD. Hulton Archive / Getty Images hide caption

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Wadada Leo Smith's trumpet is raw but lyrical, full of big gestures but intimate somehow. Scott Groller hide caption

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Carla's Christmas Carols, by Carla Bley, is sometimes sweetly and majestically unironic. The odd bits give it a sense of mystery that suits the holy day, but is rare in Christmas music. courtesy of the artist hide caption

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