Eduardo Lopez-Chavarri y Marco (b. 1868 – d. 1940) was a Spanish composer and conductor known for his contributions to classical music, particularly in the realm of operatic and orchestral works. His compositions often reflect the romantic style prevalent in late 19th and early 20th century Spain, characterized by rich harmonies and vibrant orchestration. One of his notable works includes the opera "El Rey de la Selva," which showcases his ability to blend traditional Spanish themes with operatic form. He was also known for his orchestral arrangements and chamber music, contributing to the Spanish musical landscape of his time. Lopez-Chavarri y Marco was influential in the promotion of Spanish music through his performances and teachings, fostering a greater appreciation for nationalistic styles in a period when European music was dominated by German and Italian influences. His work laid groundwork for future Spanish composers, helping to establish a distinct identity in classical music that celebrated Spanish culture and heritage. While not as widely recognized today, his contributions remain an important part of Spain's musical history.