張議潮統軍出行圖=Outing Scene of Zhang Yichao; 鼓吹前導=leading trumpeters; 伎樂方隊=square team of musicians and dancers; 樂器=musical instruments; 歸義軍=Gui-yi-jun; 音樂機構=music institution
On the south and east walls of the main chamber in Mogao cave 156 is a painting of the "Outing Scene of Zhang Yichao," the subject of which was the governor of the Gui-yi-jun(Return-to-Allegiance Army) in the later Tang dynasty.This paper presents a textual research on the musical instruments, band formations, and arrangements of musicians and dancers by classifying the functions of the ceremonial band and various items in the "Outing Scene of Zhang Yichao." This analysis pays particular attention to the development, forms, materials, and performance types of various musical instruments based on relevant documents.