Peggy Glanville-Hicks (1911–1990) was an Australian composer and pianist known for her significant contributions to 20th-century classical music. She is noted for her avant-garde style, blending elements of modernism with influences from various cultural traditions, particularly those of Asia and the Middle East. Glanville-Hicks's notable works include "The Transcendentalist" (1952), an opera that showcases her innovative use of orchestration, and "The Immortal" (1961), which reflects her interest in Eastern musical themes. Other significant compositions include "Concerto for Piano and Orchestra" (1962) and "The Rake's Progress," a chamber opera that highlights her ability to merge narrative with complex musical structures. Her impact on music extends beyond her compositions; she played a crucial role in promoting contemporary music in Australia and served as a mentor to many younger composers. Glanville-Hicks was also an advocate for women in music, paving the way for future generations of female composers. Her works continue to be performed and studied, ensuring her legacy in the classical music canon.