Post-1900's By mjcasagrande Period: 1871 to 1951 Schoenberg Period: 1882 to 1971 Stravinsky Period: 1882 to 1967 Kodaly Period: 1882 to 1973 Malipiero Period: 1883 to 1965 Varese Period: 1888 to 1979 Durey Period: 1891 to 1953 Prokofiev Period: 1892 to 1955 Honegger Period: 1892 to 1974 Milhaud Period: 1892 to 1983 Tailleferre Period: 1895 to 1963 Hindemith Period: 1895 to 1978 Still Period: 1896 to 1985 Sessions Period: 1896 to 1989 Thomson Period: 1898 to 1937 Gershwin Period: 1899 to 1974 Ellington Period: 1899 to 1983 Auric Period: 1899 to 1963 Poulenc Period: 1900 to 1990 Copland Period: 1901 to 1971 Armstrong Period: 1906 to 1973 Shostakovich Period: 1910 to 1992 Schuman Period: 1912 to 1992 Cage Period: 1929 to 1939 The Great Depression 1931 First Electric Guitar Period: 1939 to 1945 World War 2 1962 First Amplifier 1991 First Computer was built