Music and Time Annotation << Back Some Prominent Features of the Stylistic System Self-organisation in Music in the Beginning of XX Century (Based on the Analysis of Viola Sonata ор.11 № 4 by Paul Hindemith) Maslovskaya A.V. The paper deals with the research of a phenomenon of style crisis in music in the beginning of XX century from the synergetical point of view – the point of a science about self-organisation of evolving systems. As a material for the analysis one of P. Hindemith’s early works – viola sonata ор. 11 № 4 was chosen. The author consistently considers various aspects: harmonical and melodical questions, problems of form organisation and stylistics as a whole. Key words: synergetic, P. Hindemith, viola sonata E-mail: ale_ra@mail.ru