Question: Edgar Vincent was an American publicist and actor of German birth, He went on to specialize in being a publicist for opera singers, helping shape and forward the careers of major stars like which French-American operatic soprano and actress who had an active career from the late 1920s through the early 1970s?
Sentence (from "Lily Pons"): In addition to appearing as a guest artist with many opera houses internationally, Pons enjoyed a long association with the Metropolitan Opera in New York City, where she performed nearly 300 times between 1931 and 1960.
Relevant evidence: No