Virgil Thomson (1896-1989) was an influential American composer and music critic, known for his significant contributions to classical music and film scores. He is often associated with the American classical music movement, blending elements of modernism with a distinctly American style. His work encompasses various genres, including opera, orchestral music, and chamber music. Thomson's notable works include the operas "Four Saints in Three Acts" (1934) and "The Mother of Us All" (1947), both of which showcase his innovative use of rhythm and his ability to integrate American themes. He also composed numerous orchestral pieces, choral works, and film scores, notably for the 1943 documentary "The River," which highlighted American landscapes. As a music critic for publications like The New York Herald Tribune, Thomson helped shape contemporary music discourse and championed the works of other composers. His impact on music extends beyond his compositions; he played a pivotal role in promoting American music and fostering a sense of national identity within the classical tradition. His style and ideas continue to influence musicians and composers today.