Napoleon Coste (1805-1883) was a French guitarist and composer renowned for his contributions to the classical guitar repertoire. A prominent figure in the 19th-century guitar revival, Coste's works reflect the Romantic style, characterized by expressive melodies and intricate fingerstyle technique. Coste is best known for his compositions, including "Le Depart," "La Lune," and "Variations on a Theme by Mozart," which showcase his innovative approach to guitar music. His collection "25 Études" remains a staple in classical guitar education, influencing generations of guitarists. In addition to composing, Coste was an accomplished performer and teacher, advocating for the guitar as a serious concert instrument. His efforts helped elevate the status of the guitar in classical music, paving the way for future composers like Francisco Tárrega and Andrés Segovia. Coste's impact on the guitar is significant; he contributed to expanding the instrument's repertoire and technical possibilities. His works continue to be studied and performed, solidifying his legacy as a key figure in the history of classical guitar music.