Twentieth century (1930-2000) By jxs190 1874 Stylistic traits Melodic freedom Dissonant chords 12 tone system Poly chords and tone clusters Large scope of types of music cadences are more predictable depending on the piece 1874 Genres Maximalism minimalism expressionism jazz electronic serialism primitivism Period: 1874 to 1951 Shoenberg Period: 1882 to 1971 Stravinsky Period: 1882 to 1967 Kodaly Period: 1882 to 1973 Malipiero Period: 1883 to 1965 varese Period: 1887 to 1959 Villa-Lobos Period: 1887 to 1964 Toch Period: 1888 to 1979 Durey Period: 1890 to 1974 Martin 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 Grshwin Period: 1899 to 1983 Auric Period: 1899 to 1963 Poulenc Period: 1899 to 1974 Ellington Period: 1900 to 1990 Copland Period: 1901 to 1971 Armstrong Period: 1906 to 1973 Shostakovich Period: 1910 to 1981 Barber Period: 1910 to 1992 Schuman Period: 1911 to 2007 Menotti Period: 1912 to 1992 Cage 1930 The great depression 1931 Invention of Electric guitar Period: 1939 to 1945 WW2 1962 Amplifier