When David Henry Hwang's 1988 Best Play Tony-winner M. BUTTERFLY, inspired by the romance between French diplomat Bernard Boursicot and Peking opera singer Shi Pei Pu, who the Frenchman didn't know was a a Communist spy, and b a man, first played on Broadway, there was a not so small detail that tended to baffle audience members.
SOURCE: BroadwayWorld at 02:35PM on November 18, 2017