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"): The composition was published in 1895, a few months after Ernest Hogan's "LA Pas Ma LA." Ragtime was also a modification of the march style popularized by John Philip Sousa, with additional polyrhythms coming from African music.
Relevant evidence: Yes