Members of the casts of the two operas to be shown in London : Mr S K Liu , a member of the Chinese Military Attache's staff ; W Tsien , a student ; C J Cheng , a Lt Col in the Chinese Air Force ; H B Lu , 1st Lieut in the Chinese Air Force ; Mrs Y S Chen , wife of the first secretary to the Chinese Embassy ; S K Kwoh , Secretary to the CNRRA ; C S Lu , Lt Comdr in the Chinese Navy and Mr K H Chang , a student at Leeds University . One of the operas is The Fisherman's Revenge 5 February 1947