Group 1 - Xi'an, known as Chang'an during the Tang Dynasty, was one of the most prosperous cities in the world and a hub for Eastern music, with a rich cultural heritage reflected in poetry and ancient music [2][4] - Xi'an Drum Music is recognized as one of the most well-preserved large-scale folk instrumental genres, earning the title of "living fossil of ancient Chinese music," and was inscribed in the "Representative List of the Intangible Cultural Heritage of Humanity" in 2009 [4][6] - The music has evolved from the Tang Dynasty court music and has been passed down through generations, with the unique notation system known as "chě" being one of the oldest musical scores in the world [4][6] Group 2 - Zhao Xiaomin, a practitioner of Xi'an Drum Music for over fifty years, leads the Dongcang Drum Music Society, which has innovatively integrated classic Xi'an Drum Music into modern performances, gaining popularity as a "top band of the Tang Dynasty" [6] - The society has produced a stage play titled "Drum," which combines classic Xi'an Drum Music with Tang Dynasty dance, revitalizing this ancient art form [6]