The New Basement Tapes is a collaboration between Elvis Costello, Rhiannon Giddens of Carolina Chocolate Drops, Taylor Goldsmith of Dawes, Jim James of My Morning Jacket, and Marcus Mumford of Mumford & Sons. Their album Lost on the River (2014) was produced by T-Bone Burnett and consists of songs based on recently discovered lyrics that Bob Dylan handwrote in 1967.