Unsung Voices: Opera and Musical Narrative in the Nineteenth CenturyWho "speaks" to us in The Sorcerer's Apprentice, in Wagner's operas, in a Mahler symphony? In asking this question, Carolyn Abbate opens nineteenth century operas and instrumental works to new interpretations as she explores the voices projected by music. The nineteenth century metaphor of music that "sings" is thus reanimated in a new context, and Abbate proposes interpretive strategies that "de center" music criticism, that seek the polyphony and