Possessed of a lush sound as well as an ability to act, this soprano's star status is justified. (She also has nitpickers, who decry her bel canto, though they should check her Norina in Don Pasquale.) Singing Verdi is a strategic move: a way to take on heavier-sounding roles as her vocal instrument ages. Lady Macbeth is the toughest of the roles she tackles -- and she puts it first. There's some shakiness on the opener, but both "La luce langue" and the sleepwalking scene (Track 5) are highlights. You might not always choose this repertoire for her, but it's good to hear Netrebko stretching.