atonalist
/eɪˈtoʊnəlɪst/
noun
- A composer or musician who writes or performs music that lacks a tonal center.
- As an atonalist, she believed that music should not be tied to a single key.
- Schoenberg is often considered the most famous atonalist of the early 1900s.
- The festival featured several modern atonalists whose work challenged traditional melodies.