Musicology Annotation << Back One of the Antithesis Paradigms and the Artistic World of Alfred Schnittke Demchenko Alexander This year we celebrate the 90th anniversary of the birth of an outstanding composer of our time. His creative heritage provides an answer to many artistic problems of various kinds. This article is devoted to one of these problems, and it can be presented in the form of the antithesis ratio - irratio. Keywords: Alfred Schnittke, ratio, irratio. Pp. 03-13.