Chronixx is one of the biggest new artists in reggae, as well as part of a younger generation of Jamaican musicians who give old-school sounds a fresh take. Courtesy of the artist hide caption

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Rubab master Homayoun Sakhi and legendary Afghan singer Mahwash perform together as members of the group Voices of Afghanistan. Courtesy of the artists hide caption

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Bunji Garlin. Tee Murphy/Courtesy of the artist hide caption

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Vieux Farka Touré performs live on Mountain Stage. Brian Blauser/Mountain Stage hide caption

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Since recording in the 1970s and '80s, Nigerian William Onyeabor has dropped off the music map. Courtesy of the artist hide caption

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Christine Salem performs a Tiny Desk Concert on October 14, 2013. NPR hide caption

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Rusted Root. Courtesy of the artist hide caption

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Violinist Isabelle Faust. Courtesy of the artist hide caption

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South African President Nelson Mandela joins the choral group at the signing of the country's new constitution at Sharpeville stadium in 1996. Mandela lived a life filled with rich musical associations. Walter Dhladhla/AFP/Getty Images hide caption

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Red Baraat performs live on Mountain Stage. Brian Blauser/Mountain Stage hide caption

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Debashish Bhattacharya performs at a Tiny Desk Concert in September 2013. Chloe Coleman/Chloe Coleman/NPR hide caption

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Kanniks Kannikeswaran leads the Greater Cincinnati Indian Community Choir in 2012, as it competes at the World Choir Games in Cincinnati. Courtesy of Kanniks Kannikeswaran hide caption

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