Alexis-Charles-Maximilien Thibault, better known by his stage name Claude Debussy, was a French composer born on August 22, 1862, and died on March 25, 1918. He is primarily associated with the Impressionist movement in music, although he himself rejected this label. Debussy's work revolutionized the way music was composed and perceived, moving away from traditional tonal structures. Notable works include "Clair de Lune," from Suite Bergamasque, "Prélude à l'après-midi d'un faune," and the opera "Pelléas et Mélisande." His pieces often feature innovative use of harmony, texture, and form, characterized by non-traditional scales such as the whole tone scale. Debussy's impact on music is profound, influencing not only the Impressionist movement but also shaping the development of modern music, paving the way for later composers such as Maurice Ravel and Igor Stravinsky. His exploration of mood and atmosphere in music has left a lasting legacy, making him one of the most important figures in late 19th and early 20th-century classical music.