Corey Harris' new album is titled Fulton Blues. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

"Blues is a feeling, and it exists cross-culturally. It always has existed, and it always will. It's part of being human," says musician Elliott Sharp. Courtesy of the artist hide caption

itoggle caption Courtesy of the artist

Guy Davis performs in northern Italy at the Piacenza Blues Festival in 2010. Giulia Ciappa/Flickr hide caption

itoggle caption Giulia Ciappa/Flickr

One of the two known photos of Robert Johnson. This portrait was taken by the Hooks Bros. Photography Company in Memphis, Tenn., circa 1935. Courtesy of the Delta Haze Corporation hide caption

itoggle caption Courtesy of the Delta Haze Corporation

Produce Bruce Iglauer (left), founder of Alligator Records, works with blues artist Lil' Ed William at Joyride Studios in Chicago. Chicago Tribune/MCT via Getty Images hide caption

itoggle caption Chicago Tribune/MCT via Getty Images

Dr. John will be inducted into the Rock and Roll Hall of Fame this month. Courtesy of 429 Records hide caption

itoggle caption Courtesy of 429 Records