The three Mozart/Da Ponte operas offer a inexhaustible wellspring for critical reflection, possessing a complexity and equivocation common to all great humane works. They have the potential to reflect and refract whatever locus of contemporaneity may be the starting point for enquiry. Thus, even postmodern and postmillennial concerns, far from seeming irrelevant to these operas, are instead given new perspectives by them, while the music and the dramatic situations have the multivalency to accept each refreshed palette of interpretation without loss of their essential character. These...