Four years after it was first conceived, the oratorio Emigre made its debut this month in Shanghai, paying tribute to the Chinese financial hub's war-time role in protecting European Jewish refugees who fled to the city in the late 1930s. A collaboration between the Shanghai Symphony Orchestra, New York Philharmonic as well as choirs from the U.S. and China, the work premiered on Nov. 17. Composer Aaron Zigman, known best for his movie scores, said he was approached by Shanghai Symphony Orchestra's maestro Long Yu in 2019 with the idea for a piece telling the story of Shanghai'...