David Jerome Oppenheim was an American clarinetist, and classical music and television producer. Oppenheim directed the Masterworks division of Columbia Records from 1950 to 1959. From Wikipedia
Directed by Bradley Cooper, the Netflix biographical film 'Maestro' explores Leonard Bernstein’s life and career, also delving into his decades-long romance with Felicia Montealegre. The film, debuting on Netflix on December 20, has already attracted attention and positive reviews at film festivals in New York, London, and Venice.