Two of the most distinctive vocalists in modern music have finally put the finishing touches on their new collaborative album that has a whole new sound due to their different traditions

In 2007, Robert Plant and Alison Krauss released Raising Sand, one of the most acclaimed albums of the 21st century. It was an unlikely, mesmerizing pairing of one of rock's greatest frontmen with one of country's music's finest and most honored artists, produced by the legendary T Bone Burnett. Now, after 14 years, they return with a dozen songs from a range of traditions and styles that extend this remarkable collaboration in new and thrilling directions....