Final answer:
The music referencing early Jazz is in the Swing style, known for its strong rhythm section, medium to fast tempo, and a swinging feel, prominent in the 1920s and 1930s, especially in Harlem venues.
Step-by-step explanation:
As a piece referencing early Jazz music, the specific style this music is in would be C) Swing. Swing, a distinctly American musical style, was particularly popular during the 1920s and 1930s and is part of the Jazz genre. It emerged from the Harlem Renaissance and was showcased in iconic Harlem venues like the Savoy Ballroom and the Apollo Theater. Swing music is characterized by a strong rhythm section of double bass and drums, a medium to fast tempo, and a swinging time feel that could be heard in the work of musicians like Duke Ellington and Count Basie.