Trending on Billboard A collaboration between opera soprano Renée Fleming and genre-jumping banjo auteur Béla Fleck may seem, on the surface, like something that came out of nowhere. But truth is their Appalachian-flavored album The Fiddle and the Drum , which comes out Friday (May 29) has been a long time coming. Explore See latest videos, charts and news The pair — which has 23 combined Grammy wins and numerous other honors — has been talking about the project for nearly two decades, since a meeting to discuss it at a restaurant on 57th Street in New York City. “Renée was thinking about making a record like this, and for some reason I don’t understand I was suggested as the producer,” Fleck, who was recommended by Fleming’s associates at Decca Records, tells Billboard . “And I was like, ‘I’d love to do this.’ “I’ve always been a fan of great female vocalists, from Joni Mitchell to Linda Ronstadt, Emmylou (Harris), people like that.…