Francisco Andrevi y Castellar was a notable Spanish composer and musicologist born in 1883 and active primarily during the early 20th century. He is best known for his contributions to the genres of classical music and zarzuela, a traditional Spanish lyric-dramatic genre that combines spoken and sung elements. One of his notable works includes "El último tren," which showcases his skill in blending traditional Spanish themes with contemporary musical elements of his time. Andrevi y Castellar's compositions often reflect the cultural and musical influences of early 20th-century Spain, and he played a significant role in the Zarzuela revival during this period. In addition to his compositions, Andrevi y Castellar was an influential figure in music education and scholarship, contributing to the understanding and appreciation of Spanish music heritage. His impact on music is particularly significant in the context of the zarzuela genre, as he helped to modernize and bring renewed attention to this uniquely Spanish art form. His work laid the groundwork for future generations of Spanish composers and musicians, ensuring the continued relevance of traditional Spanish music in contemporary settings.