The music of the 20th century is divided in European art music in the following styles:
- Late Romanticism, about 1870-1920 / '40
- Post- and neo-romanticism
- Transitional styles, such as: Impressionism, about 1880-1910
- Variety of styles of contemporary music (often meant in the strict sense of "Music of the 20th Century" ), eg: Atonal music from the 1910s
- Twelve-tone music from around 1920
- Microtonal music from the 1920s
- Serial music from the 1940s
- Concrete Music from the 1940s
- Electronic Music from the 1950s
- Aleatoric music from the 1950s
- Computer Music from the 1950s
- Post-serial music from the 1960s
- Minimal Music from the 1960s
- New simplicity as vague collective term from the 1970s
- Spectral music from the 1970s
- Algorithmic composition from the 1990s
In the era of National Socialism several composers of their possible effects were robbed in Germany - either because they were of Jewish origin, or because their musical language did not meet the aesthetic dogmas of the Reich Music Chamber. ( See also the article Music in National Socialism, Degenerate music and list of persecuted by the Nazi regime composer ).
The popular music continued to develop in the 20th century and was. By the new technical possibilities for music production part of the commercialized mass culture Jazz and rock music gained worldwide popularity. (See also article music industry and digitization ).
Even the music cultures of Africa, Asia, Latin America and other cultures were received increasingly in the West.