This sound is a traditional folk music performance.

The folk art of Zhetian Drum originated from China. It is a traditional folk music performance form. A group of people hold big drums and perform through rhythmic knocking and shouting. In the novel "Zhetian "In ", the drum sound is the alarm sound of the Tiangang Guard. When there is an invasion by foreign enemies or an emergency occurs, the Tiangang Guard will sound the alarm through the drum sound to remind everyone to pay attention.