Mrs. O'Connors Music Genre Timeline By Musicteacher Period: Jan 1, 1890 to Jan 1, 2016 The Blues Eric Clapton, Robert Johnson Period: Jan 1, 1900 to Jan 1, 2016 Country Western Johnny Cash, Dolly Parton, U.S. South Appalachian mountains Period: Nov 14, 1900 to Dec 2, 1990 Aaron Copland Fanfare For The Common Man, Billy The Kid. Modern Classical.