section_path: History/20th and 21st centuries/Modernist
section_name: Modernist
paragraph_text: Modernist
  
  Modernist classical music encompasses many styles of composition that can be characterised as post romantic, impressionist, expressionist, and neoclassical. Modernism marked an era when many composers rejected certain values of the common practice period, such as traditional tonality, melody, instrumentation, and structure. Some music historians regard musical modernism as an era extending from about 1890 to 1930. Others consider that modernism ended with one or the other of the two world wars. Still other authorities claim that modernism is not associated with any historical era, but rather is "an attitude of the composer; a living construct that can evolve with the times". Despite its decline in the last third of the 20th century, there remained at the end of the century an active core of composers who continued to advance the ideas and forms of modernism, such as Pierre Boulez, Pauline Oliveros, Toru Takemitsu, George Benjamin, Jacob Druckman, Brian Ferneyhough, George Perle, Wolfgang Rihm, Richard Wernick, Richard Wilson, and Ralph Shapey.
  
  Two musical movements that were dominant during this time were the impressionist beginning around 1890 and the expressionist that started around 1908. It was a period of diverse reactions in challenging and reinterpreting older categories of music, innovations that lead to new ways of organizing and approaching harmonic, melodic, sonic, and rhythmic aspects of music, and changes in aesthetic worldviews in close relation to the larger identifiable period of modernism in the arts of the time. The operative word most associated with it is "innovation". Its leading feature is a "linguistic plurality", which is to say that no single music genre ever assumed a dominant position.
  
  The orchestra continued to grow during the early years modernist era, peaking in the first two decades of the 20th century. Saxophones that appeared only rarely during the 19th century became more commonly used as supplementary instruments, but never became core members of the orchestra. While appearing only as featured solo instruments in some works, for example Maurice Ravel 's orchestration of Modest Mussorgsky 's Pictures at an Exhibition and Sergei Rachmaninoff 's Symphonic Dances, the saxophone is included in other works such as Sergei Prokofiev 's Romeo and Juliet Suites 1 and 2 and many other works as a member of the orchestral ensemble. In some compositions such as Ravel's Boléro, two or more saxophones of different sizes are used to create an entire section like the other sections of the orchestra. The euphonium is featured in a few late Romantic and 20th century works, usually playing parts marked "tenor tuba", including Gustav Holst 's The Planets, and Richard Strauss 's Ein Heldenleben.
  
  Prominent composers of the early 20th century include Igor Stravinsky, Claude Debussy, Sergei Rachmaninoff, Sergei Prokofiev, Arnold Schoenberg, Nikos Skalkottas, Heitor Villa-Lobos, Karol Szymanowski, Anton Webern, Alban Berg, Cécile Chaminade, Paul Hindemith, Aram Khachaturian, George Gershwin, Amy Beach, Béla Bartók, and Dmitri Shostakovich, along with the aforementioned Mahler and Strauss as transitional figures who carried over from the 19th century.