越听越唱心越红 Yue ting yue chang xin yue hong Designer Xiao Zhonghou (肖忠厚) Date 1975, October Publisher Hebei renmin chubanshe (河北人民出版社) Size 77x53.5 cm. Call nr. PC-1975-024 Collection Private collection Notes The girls are singing a song from the model opera "Azalea Mountain" (杜鹃山). Theme Model Operas (Yangbanxi)