How did the song "The Most Dazzling National Style" become popular?

When this song with the most dazzling ethnic style first became popular, it was Phoenix Legend. At its peak, any song they released at that time could quickly become popular all over the country and become a well-known song to us. The first famous song, and the song with the most dazzling ethnic style, also happened to hit this period. In addition, it was also suitable for a scene of our time, which had a certain relationship. It seemed to be during the Olympic Games.