Jean-Joseph Vade (1756–1842) was a French composer and music theorist, known primarily for his contributions to the genre of vocal music, particularly in the realm of opera and song. Vade's most notable works include his operas such as "L'Innocent" and "Le Vieux de la Montagne," which were well-received during his time, showcasing his ability to blend lyrical melodies with dramatic storytelling. In addition to his operatic works, Vade was an influential figure in the development of vocal pedagogy and music theory in France. He published several treatises on singing, which emphasized the importance of technique and expression, contributing to the education of future generations of singers. Vade's impact on music is marked by his role in the transition from the Baroque style to the more emotive and expressive forms of the Romantic era. His focus on the human voice and its capabilities helped pave the way for later advancements in vocal performance. While not as widely recognized today, Vade's work remains a significant part of the French operatic tradition and reflects the evolving standards of music during his lifetime.