26. The highlighted phrase catchy whirlpool is most likely a reference to the:
Your Answer is
Correct Answer is J
Explanation
According to L27-29, that fertile primeval mix refers to the "catchy whirlpool" mentioned above (Blues and brass street bands are fused together, and finally become jazz.) Item J fits the meaning of the question.
FH item: L24-25: "Blues and brass street bands merged together to form catchy whirlpool." Through this sentence, it can be judged that "catchy whirlpool" is a form of music, so FH can be ruled out item, it cannot be water flow or culture.
Item G: Because it is a fusion, it cannot be a type of brass street bands, so item G is excluded.