Los Straitjackets' members rehearse in NPR's Studio 4A. Christopher Parks/NPR hide caption

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The Numero Group's Eccentric Soul: Omnibus includes 45 seven-inch singles highlighting local soul scenes from around the country. Courtesy of the Numero Group hide caption

itoggle caption Courtesy of the Numero Group

The $100 guitar proves once again that it's not just the instrument, it's what you do with it. Courtesy of The $100 Guitar Project hide caption

itoggle caption Courtesy of The $100 Guitar Project

Ian MacKaye, co-founder of Dischord Records and the bands Fugazi and Minor Threat, and Amy Farina, formerly of The Warmers, form The Evens. Their third album together is called The Odds. Charles Previtire/Courtesy of the artist hide caption

itoggle caption Charles Previtire/Courtesy of the artist

In 1994, a cover by the late Jeff Buckley helped save "Hallelujah" from musical obscurity. hide caption

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Joe Smith poses with Rod Stewart, circa 1974. The former record executive conducted informal interviews with dozens of musicians in the mid-1980s. Jeff Smith hide caption

itoggle caption Jeff Smith

Joe Hill Louis, B.B. King and Rufus Thomas appear on a new multi-disc compilation of electric blues, Plug It In! Turn It Up! Bear Family Records hide caption

itoggle caption Bear Family Records

Clockwise from upper left: Acid Pauli, Kendrick Lamar, Samuel Yirga, Kelan Philip Cohran, Waxahatchee, Pallbearer, Matthew Dear Courtesy of the artists hide caption

itoggle caption Courtesy of the artists