This book is a music-theoretical and critical-theoretical study of late tonal music, and, in particular, of the music of Wagner's G tterd mmerung. First, in terms of music theory, it proposes a new theory of tonal function that returns to the theories of Hugo Riemann to rediscover a development of his thought that has been covered over by the recent project of neo-Riemannian theory. Second, in terms of its philosophical approach, it...