what type of music was composed by William Grant Still?

William Grant Still was a pioneering African American composer known for his contributions to Classical Music, particularly in the realm of symphonic and vocal works. His music often incorporates elements of jazz, blues, and spirituals, reflecting his cultural heritage and the African American experience. Still's notable compositions include symphonies, operas, and chamber music, with his most famous work being the Opera "Troubled Island." He is celebrated for bridging the gap between classical and popular music styles.