The history of music.

Volume I; music from the classical age, as well as contemporary music of Egypt China, India and Islam; Volume II, The growth of tonal and polyphonic music to the Rococo; Volume III, the gradual decline of music in the Romance Nations and the growth of music in the Germanic Nations; Volume IV The Epoch of Genius in the German Nations; Volume V, the influence of Germanic Genius on Italy and France. The last composer discussed in Wagner in the 1870s.