Question: The American Opera Society (AOS) was a which city based musical organization, that presented concert and semi-staged performances of operas between 1951 and 1970, the AOS also presented many operas to the American public for the first time, including the United States premieres of "Billy Budd", by Edward Benjamin Britten, an English composer, conductor and pianist, and a central figure of 20th-century British classical music?
Sentence (from "American Opera Society"): The company was highly influential in sparking and perpetuating the post World War II bel canto revival, particularly through a number of highly lauded productions of rarely heard works by Gioachino Rossini, Gaetano Donizetti, and Vincenzo Bellini.
Relevant evidence: No