Plot: It was toward the end of the T Bone Burnett–curated September 2013 Another Day, Another Time concert at New York City’s Town Hall—a celebration of the early ’60s folk revival that had inspired the Joel and Ethan Coen film Inside Llewyn Davis—when singer Rhiannon Giddens indisputably stole the show. Rhiannon Giddens continues to steal the show on the Infinity Hall Live Stage