Jaime Nunó was a Mexican composer born on September 8, 1824, in San Luis Potosí, Mexico. He is best known for composing the music of the Mexican National Anthem, which was originally written for a patriotic song titled "Mexicanos, al grito de guerra." His work has become a significant symbol of national pride in Mexico. Nunó's music career extended beyond the anthem, as he also composed various other pieces, including songs and marches. He spent part of his life in the United States, where he continued to promote Mexican music. Jaime Nunó passed away on June 15, 1908, leaving a lasting legacy in Mexican culture.