Who are 20th-century classical music opera persons?

8

Jean Sibelius

Finnish composer of the late Romantic period
8

Nino Rota

Italian composer (1911-1979)
8

Alfred Schnittke

German Soviet composer
8

Andrei Eshpai

Soviet composer
6

Igor Stravinsky

Russian composer, pianist and conductor
3

Dmitri Kabalevsky

Russian composer
2

Arnold Schoenberg

Austrian-American composer (1874-1951)
1

John Cage

American avant-garde composer (1912-1992)
1

Craig Armstrong

British composer
0

Karlheinz Stockhausen

German composer