On her latest album, “Glad Rag Doll,” pianist/vocalist Diana Krall sports clothes that make her look like a Ziegfeld Follies showgirl. Beyond the cover, Krall plays piano and sings like she's ...

Diana Krall's albums should come with a warning label: Do not use while operating heavy machinery. This is not a knock: Krall's round, relaxed voice is a nuanced instrument ideally suited for, as this ...