Louis-Gilbert Duprez (1806–1896) was a prominent French tenor and composer, celebrated for his contributions to opera during the 19th century. He is best known for his powerful voice and remarkable range, which allowed him to perform demanding roles, including the title character in the first performance of Giacomo Meyerbeer's opera "Les Huguenots" (1836). Duprez was also associated with the Paris Opera, where he gained fame for his performances in works by composers such as Rossini and Donizetti. His signature vocal technique, utilizing a powerful chest voice throughout his range, was influential in shaping the bel canto style, paving the way for future tenor performances. Duprez's impact extended beyond his performances; he also contributed to the development of vocal pedagogy and was instrumental in the transition towards more dramatic singing styles that characterized later 19th-century opera. Despite his eventual decline in popularity due to changing tastes in vocal performance, Duprez's legacy endures in the operatic world, where he is remembered as one of the key figures in the evolution of the tenor voice and operatic performance practices.