To illuminate the notion of ‘totality’ in Wagner’s conception of the ‘total art work’ or Gesamtkunstwerk, this chapter invokes Schopenhauer’s claim that ordinary life is like a phantasmagoria or dream – a claim that epitomises his interpretation of Kant’s theory of knowledge. The chapter associates the notion of a phantasmagoria with that of a dream, and the latter with the nineteenth-century conception of the unconscious, in particular as presented in Freud’s characterisation of dreams as multidimensional semantic expressions. Wagner’s operas are accordingly considered to be phantasmagorias in this dream-associated sense. Wagner is often appreciated as a forefather of modernism, but by recognising the phantasmagoric, semantically-multidimensional quality of his operas he can be seen further as a forefather of postmodernism.