Joseph-Denis Doche (1760–1845) was a French composer and music theorist, primarily known for his contributions to operatic and choral music during the late Classical and early Romantic periods. He was born in Paris and trained in music under prominent figures of his time. Doche's genre primarily encompassed opera, choral works, and religious music. One of his notable works includes the opera "La Montre de la fortune," which reflects the stylistic transitions of the time, integrating elements of both Classical and early Romantic music. Additionally, he composed several masses and motets, showcasing his expertise in sacred music. Doche's impact on music lies not only in his compositions but also in his role as a music educator and theorist. He published a music theory treatise that influenced the understanding of harmony and counterpoint in the 19th century. While not as widely recognized as some of his contemporaries, Doche's contributions to the development of French opera and choral music helped shape the musical landscape of his era, bridging the gap between Classical traditions and the emerging Romantic style.