Since the 1840s, critics have lambasted Wagner for lacking the ability to compose melody. But for him, melody was fundamental 'music's only form'. This incongruity testifies to the surprising difficulties during the nineteenth century of conceptualizing melody. Despite its indispensable place in opera, contemporary theorists were unable even to agree on a definition for it. In Wagner's Melodies, David Trippett re-examines Wagner's central aesthetic claims, placing the composer's ideas about melody in the context of the scientific discourse of his age: from the emergence of the natural...