To perform nan kuan music, which originated in Fukien province, the main musical instruments are the upper four kuan, consist of bamboo flageolet, balloon-guitar, two-string and three-string musical instruments, and the lower four kuan, which provide the accompaniment consisting of castanets, gongs and drums.
上四管是洞簫、琵琶、二弦和三弦；下四管是響盞、叫鑼、四板、雙音及小鼓。上四管是主樂器，下四管則屬伴奏樂器。在聚英社門前橫楣上題著「御前清客早蜚聲」。八十歲的王昆山社長說：「御前清曲」是出自清朝康熙皇帝的御筆。