FOUR SINGLES.

Beyonce Knowles is a poet of hugeness. It is the subject of her work and the signal feature of her life. She is the lead singer of one of the world's hugest pop groups, Destiny's Child, and she has a multimillion-dollar contract with L'Oreal, which is about as big as lipstick gets. Her boyfriend is the rapper Jay-Z, who in any other relationship would be the famous one. And in her increasingly remarkable records Beyonce is creating a new kind of supersized music, a triumphalist pop that makes its point through magnitude as much as style. Last year, shorn of her surname--an act of enlargement in itself--she released an album of her own called "Dangerously in Love," which ...