El Rego, the godfather of Benin funk, and his band The Commandos. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Iron Butterfly circa 1970. Michael Ochs Archives/Getty Images hide caption

itoggle caption Michael Ochs Archives/Getty Images

Cheer-Accident. Kerry Anne Kronke hide caption

itoggle caption Kerry Anne Kronke

Elvis Presley. Getty Images/Staff hide caption

itoggle caption Getty Images/Staff
Shout Factory

Agadez by Bombino. Cumbancha hide caption

itoggle caption Cumbancha

The Banquet of Spirits (from left to right): Brian Marsella, Cyro Baptista, Tim Keiper, Shanir Ezra Blumenkranz. Tzadik Records hide caption

itoggle caption Tzadik Records

La Lupe in New York, 1967. Courtesy of Richie Viera's Archive/Fania Records hide caption

itoggle caption Courtesy of Richie Viera's Archive/Fania Records

A still from Ladies and Gentlemen ... The Rolling Stones shows Mick Jagger performing in Texas in 1972. hide caption

itoggle caption

Sarah Blasko led the Sydney-based band Acquiesce throughout the 1990s. Chris Morris hide caption

itoggle caption Chris Morris

Dr. John, the legendary New Orleans musician, turns 70 this year. James Demaria Productions hide caption

itoggle caption James Demaria Productions

Tony Allen was the drummer and musical director of Fela Kuti's band Africa 70 from 1968 to 1979. Bernard Benant hide caption

itoggle caption Bernard Benant