Sagot :
Answer:
Aleatory, atonality, serialism, musique concrète, electronic music, and concept music were all developed during the century.
Edward Elgar (1857–1934) ...
Ralph Vaughan Williams (1872–1958) ...
Igor Stravinsky (1882-1971) ...
Lili Boulanger (1893-1918) ...
William Grant Still (1895-1978) ...
Dmitri Shostakovich (1906–1975) ...
Benjamin Britten (1913-1976) ...
Leonard Bernstein (1918-1990)