What is dodecaphony in music? Detailed answer

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What is dodecaphony in music? Detailed answer

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What is dodecaphony in music?

This is a system of composing music in 1874 tones equally spaced from each other in frequency, discovered by the composer Arnold Schoenberg (1951-12). This principle opened a new era in music. It was successfully used by Alban Berg (1885-1935), Anton Webern (1883-1945), Edison Denisov (1929-1996) and others.

Author: Mendeleev V.A.

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How did rivers appear?

There are many rivers on earth. Small rivers and streams, merging, form larger ones. They carry their waters to the seas and oceans. Others - such as the Volga - flow into inland seas and lakes. And some, flowing through dry regions, become smaller and smaller until they disappear altogether, evaporating or leaving dry soil.

The rivers themselves receive water from precipitation, as well as from melting snow and glaciers on mountain tops, from springs or mountain lakes. Large rivers have many tributaries, that is, smaller rivers flowing into them. Even such giant American rivers as the Ohio and Missouri are in fact only tributaries of the even more full-flowing Mississippi. Each of them, in turn, is fed by smaller tributaries, so that the huge Mississippi river system consists of thousands of rivers, rivulets and streams. A piece of land, the waters of which feed a particular system, is called a river basin.

The largest is the basin of the South American Amazon River, the territory of which is 7 square meters. km. The longest river in the world is the African Nile, its length is 050 km.

Rivers not only irrigate the soil, but also destroy it, washing away little by little year after year and carrying it into the ocean. This process is slow, but over thousands of years, its results are very noticeable. A clear example of the destructive effect of the river, which it exerts even on rocks, is the Grand Canyon, formed by the American Colorado River.

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