Theodore Kosloff (1882–1956) was a Russian-born American composer, conductor, and pianist, known primarily for his contributions to the genres of classical music and light orchestral works. He gained prominence in the early to mid-20th century, particularly noted for his compositions for ballet and orchestral performances. Kosloff's notable works include "The Dance of the Hours" and various pieces for ballet that showcased his ability to blend classical techniques with popular musical styles of his time. He was also involved in the film industry, composing music for several movies during the 1920s and 1930s. In addition to his compositions, Kosloff had a significant impact as a conductor, leading orchestras and ensembles in performances that helped popularize classical music in the United States. His work in the ballet realm influenced the development of American ballet, as he collaborated with various dance companies and contributed to the integration of music and dance. While not as widely recognized today, Kos