What is the purpose of quoting Zhenwu Cave in the first paragraph of Ansai?

The function of quoting Zhenwu Cave in the first paragraph of the peach blossom drum sound Ansai is to draw out the central content and set off the drummer's passion.

The first function: to highlight the vitality of the younger generation with concise language. Pushing him onto the stage is attractive and shocking.

This passage uses parallelism, metaphor, repetition and other methods to vividly write the sound, appearance and rhyme when playing the waist drum. The rhythm is clear and powerful, which makes people feel the grandeur, boldness and fierceness of Ansai waist drum from the language potential.