Ragtime is a style of composed piano.
The answer is option a.
Ragtime, propulsively syncopated musical style, one forerunner of jazz and the primary fashion of American popular song from about 1899 to 1917. Ragtime advanced inside the gambling of honky-tonk pianists along the Mississippi and Missouri rivers in the ultimate decades of the 19th century.
Ragtime -- A style of musical composition for the piano, generally in duple meter and containing a particularly syncopated treble lead over a rhythmically steady bass. A ragtime composition is commonly composed 3 or 4 contrasting sections or traces, each one being sixteen or 32 measures in duration.
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