and Tom Turpin published his " Harlem Rag ", the first rag published by an African-American. The classically trained pianist Scott Joplin produced his " Original Rags " in the following year, then in 1899 had an international hit with " Maple Leaf Rag ". The latter is a multi- strain ragtime march with four parts that feature recurring themes and a bass line with copious seventh chords . Its structure was the basis for many other rags, and the syncopations in the right hand, especially in the transition between the first and second strain, were novel at the time. [ 52 ] African-based rhythmic patterns such as tresillo and its variants—the habanera rhythm and cinquillo—are heard in the ragtime compositions of Joplin, Turpin, and others. Joplin's "Solace" (1909) is generally considered to be within the habanera genre, [ 38 ] [ 54 ] and both of the pianist's hands play in a syncopated fashion, completely abandoning any sense of a march rhythm. Ned Sublette postulates that the tresillo/habanera rhythm "found its way into ragtime and the cakewalk," [ 55 ] while Roberts suggests that "the habanera influence may have been part of what freed black music from ragtime's European bass." [ 56 ] W.C. Handy became intrigued with the folk blues of the Deep South while traveling through the Mississippi Delta . In this form, the singer improvised freely, and the melodic range was limited, sounding like a field holler. The guitar accompaniment was not strummed, but was instead