One of the visitors later wrote of her observations: "There were certain similarities between Kun opera and the uzagaku that we have seen described in historical documents. Kun opera relies primarily on stringed instruments (the er hu, pipa, and yang qin) complemented by clapper and flutes, while uzagaku is described as a sort of chamber music for the court, played in a sedate atmosphere by people who are seated."
御座樂成員瑞慶覽尚子回去後，便在研究論文中推論：「以弦樂器：二胡、琵琶、揚琴為中心，加上拍板、笛來演奏的昆腔唱曲，跟御座樂成員在畫卷資料上，所看到安靜席坐的宮廷室內樂，有某些相關之處」。