The cover image of The Complete Roost Johnny Smith Small Group Sessions, a 2002 box set of work from across the jazz guitarist's career. Album cover hide caption

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The crowd at Richie Havens' Woodstock-opening set on Aug. 15, 1969. Paul DeMaria/New York Daily News via Getty Images hide caption

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A 16-inch lacquer disc, a format used in the 1930s, from the collection of the Library of Congress. Most of the lacquer, the part of the disc where the sound was etched, has been lost to decay. Abby Brack/Library of Congress hide caption

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Janet Feder built a career on unusual instrumental guitar playing. Her new album, Songs With Words, will feature her singing for the first time. Courtesy of the artist hide caption

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Bob Dorough circa 1960. Jon Sievert/Michael Ochs Archives/Getty Images hide caption

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Father and son Pedro Soler and Gasper Claus. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist