Charles EH de Coussemaker (1811-1896) was a Belgian composer, musicologist, and music theorist, primarily associated with the Romantic era. He is best known for his contributions to the understanding of early music and his efforts to promote Belgian music. Coussemaker's genre spans classical music with a focus on orchestral compositions and choral works. Notable works include his "Symphony in C," various choral compositions, and several studies on the history of music, such as "Histoire de la musique en Belgique." His scholarship played a crucial role in documenting and analyzing the evolution of music in Belgium, particularly during the Middle Ages and Renaissance. Coussemaker's impact on music extends beyond composition; he was instrumental in fostering a national identity in Belgian music during a time when the country was still defining itself culturally. As a musicologist, he laid the groundwork for future research in music history, influencing both scholars and composers. His efforts to preserve and promote early music continue to resonate, marking him as a significant figure in the development of musicology in Belgium and beyond.