Hebei Bangzi and Yu Opera are two branches of the big system of Bangzi clapper opera.
河北梆子与豫剧同属于大梆子系统下的两个分支。
参考来源 - 河北梆子和豫剧的音乐比较
·2,447,543篇论文数据，部分数据来源于NoteExpress
Yu opera
abstract:Yu opera (), formerly known as Henan bangzi"Bangzi" meaning wooden clappers with bars of unequal length (),is one of China's famous national opera forms, alongside Peking opera and Pingju opera. Henan Province is the origin of Yu opera.
"The Arts Development Council did a survey on the audience and the programme numbers of different art forms, and Chinese opera is one of the most popular arts in Hong Kong, " said Louis Yu Kwok-lit, executive director, performing arts of the West Kowloon Cultural District Authority, who is planning the Bamboo Theatre festival.