Question: Which popular music style was a modification of the marches from "The March King" with heavy influences from African American communities?
Sentence (from "Ragtime"): Ernest Hogan (1865–1909) was a pioneer of ragtime and was the first composer to have his ragtime pieces (or "rags") published as sheet music, beginning with the song "LA Pas Ma LA," published in 1895.
Relevant evidence: No