Rock & Roll: A Brief History By Pchase Jan 1, 1912 W,C, Handy - Father of the Blues W.C. Handy's publication of his "Memphis Blues' sheet music introduced his style of 12-bar blues. Jan 1, 1915 1st Published Jazz Composition - Jelly Roll Blues Apr 15, 1923 Bsssie Smith - Empress of the Blues - signed by Columbia Records Jan 1, 1925 Speed of Record becoming Standardized at Value of 78 rpm Jan 1, 1927 The Great Mississippi Flood of 1927 Oct 29, 1929 Great Depression in US
