Music and Time Annotation << Back «Ein Gepenst geht um in der Welt»(«A Spectre is Haunting the World») as а Culmination of L. Nono’s Political Engagement (the 90th Anniversary) А. Ryzhinskiy The main object is great vocal and symphonic Nono’s work «Ein Gespenst geht um in der Welt» («A spectre is haunting the world»). For author this opus is not only ideological object, but real music work, which shows development of the Nono’s vocal style. There are studying of Shoenberg’s theater influence on Nonos’ work in this article. Besides, it is studied the evolution acoustic concept, realized by L. Nono in his main work «Prometeo». In a context of the texture analysis the author establishes relationship between the engaged and non-engaged Nono’s work. This relationship is caused by the similar timbre and textural organization. Keywords: political engagement, communism, avant-garde, choral texture, timbre, L. Nono, A. Shoenberg, Y. Lyubimov. Contacts: E-mail: Loring@list.ru Pp. 22-29.