avant-garde
| Name | Nationality | Born | Died | Era(s) |
|---|---|---|---|---|
| Erik Satie | French | 1866 | 1925 | 20th century, Romantic era |
| Edgard Varèse | French | 1883 | 1965 | 20th century |
| Otto Luening | American | 1900 | 1996 | 20th century |
| Charles Wuorinen | American | 1938 | 2020 | 20th century, 21st century |
| Glenn Branca | American | 1948 | 2018 | 20th century, 21st century |