Chris and John's Timeline on the main genres of Jazz By john123 Jan 1, 1895 Ragtime Jan 1, 1910 Dixieland Jazz Jan 1, 1930 Gypsy Jazz Jan 1, 1930 Swing Jan 1, 1940 Bebop Mar 1, 1950 Hard Bop Mar 1, 1950 Cool Jazz Jan 1, 1957 Third Stream Jan 1, 1957 Model Jazz Jan 1, 1958 Free Jazz Jan 1, 1967 Fusion Jan 1, 1970 Contemporary jazz Jan 1, 1990 Nu Jazz