Members of the Community Chorus waiting to go to practice, Shanghai, China, ca. 1921Barbour, Margaret Hart1921Also included in the International Mission Photography Archive.At the St. Mary's Gate, waiting to go to Shanghai for Community Chorus practice. The Community Chorus of five hundred Chinese voices gives Christmas music at the town hall to audiences of several thousand.Margaret Hart Barbour, the photographer, was an American Episcopal missionary in Shanghai from 1916 to 1923.still image