St. Petersburg Institute for Informatics and Automation of the Russian Academy of Sciences St. Petersburg Institute for Informatics and Automation of the Russian Academy of Sciences The St. Petersburg Institute for Informatics and Automation of the Russian Academy of Sciences (SPIIRAS) () is a federal state budgetary institution of science located in St. Petersburg, Russia. It was founded on by a Decree of the Council of Ministers of the USSR. The official foundation date is , according to a Decree of the Presidium of the USSR Academy of Sciences. The main research fields of the institute are computer science, intelligent automation systems and information technologies. The Institute is located in the building of
20th-century music gestures and formlessness of late Romanticism which revived the balanced forms and clearly perceptible thematic processes of earlier styles. There were three distinct "schools" of neoclassicism, associated with Igor Stravinsky, Paul Hindemith, and Arnold Schoenberg. Similar sympathies in the second half of the century are generally subsumed under the heading "postmodernism". A compositional tradition arose in the mid-20th century—particularly in North America—called "experimental music". Its most famous and influential exponent was John Cage (1912–1992). According to Cage, "an experimental action is one the outcome of which is not foreseen", and he was specifically interested in completed works that performed an