Atonality, also know as serialism (and the 12-tone row), was an extremely important compositional technique for Austrian-American composer Arnold Schoenberg (spelled Schönberg in German). So much so, that he is considered to have been the composer and teacher with the most significant contributions during the 1900s. Specifically, with regards to developing and spreading atonality to other musicians and composers. He lived from 1874 to 1951.
<span>The Taj Mahal demonstrates the strong Persian influence that was felt on the architecture mostly through the large centrally located iwan that is located on the face of the structure. An Iwan, sometimes referred to as an ivan in other languages, is a large hallway or room that is rectangular in shape. It is often vaulted and has walls on three of its sides with one side that is completely open.</span>
