Who are 20th-century classical music Western classical music persons?

6

Dmitri Kabalevsky

Russian composer
5

Bart Berman

Dutch-Israeli pianist and composer, best known as an interpreter of Franz Schubert and 20th century music.
3

John Cage

American avant-garde composer (1912-1992)
2

Arnold Schoenberg

Austrian-American composer (1874-1951)
1

Rebecca Clarke

English composer and violist
0

Nino Rota

Italian composer (1911-1979)
0

Jean Sibelius

Finnish composer of the late Romantic period