The Second Viennese School was well-established before the war, but may be said to have taken definitive nature after the war and was clearly affected by it (Wozzeck, e.g.). What I mean by choosing 1914 as the beginning of the twentieth century is that the wars interrupted what otherwise might have been a regular development of musical style like that in the nineteenth century. The final product of the wars and the cultural nihilism they left us with was a general loss of critical faculty, which we have with us today. Facebook October 31 2017