<P> Arnold Franz Walter Schoenberg or Schönberg ( / ˈʃɜːrnbɜːrɡ / ; German : ( ˈaːʁnɔlt ˈʃøːnbɛʁk ) ( listen ) ; 13 September 1874 -- 13 July 1951 ) was an Austrian composer , music theorist , and painter . He was associated with the expressionist movement in German poetry and art , and leader of the Second Viennese School . With the rise of the Nazi Party , Schoenberg 's works were labelled degenerate music , because they were modernist , atonal and what even Paul Hindemith called `` sonic orgies '' and `` decadent intellectual efforts '' ( Petropoulos 2014 , 94 -- 95 ) . He emigrated to the United States of America in 1934 . </P>
<P> Arnold Franz Walter Schoenberg or Schönberg ( / ˈʃɜːrnbɜːrɡ / ; German : ( ˈaːʁnɔlt ˈʃøːnbɛʁk ) ( listen ) ; 13 September 1874 -- 13 July 1951 ) was an Austrian composer , music theorist , and painter . He was associated with the expressionist movement in German poetry and art , and leader of the Second Viennese School . With the rise of the Nazi Party , Schoenberg 's works were labelled degenerate music , because they were modernist , atonal and what even Paul Hindemith called `` sonic orgies '' and `` decadent intellectual efforts '' ( Petropoulos 2014 , 94 -- 95 ) . He emigrated to the United States of America in 1934 . </P>
-- composer arnold schoenberg was highly influential in the movement called --
-- composer arnold schoenberg was highly influential in the movement called --
expressionist
expressionist