NPR's Michel Martin speaks with banjo virtuoso Béla Fleck and soprano Renée Fleming about their collaborative project and album, "The Fiddle and The Drum," which celebrates Appalachian folk music.

For Renée Fleming, returning to Spoleto Festival USA is something of a full-circle moment. She's joined by Béla Fleck for an Appalachian moment.

World-renowned soprano Renée Fleming has long established herself as an icon in the opera world, taking on almost every imaginable role and playing most of the iconic music venues around the world — ...