Rufus Wainwright says that sometimes when he sings he lets his imagination wander. “Depending on how difficult the piece is, I mean,” he quickly adds. “Sometimes I have to be totally concentrated and ...

We begin this week's All Songs Considered with the passionate voice, fiddle and banjo of Rhiannon Giddens. The proponent of traditional music (who won a Pulitzer Prize on Monday) is putting out her ...