Dom Joseph Pothier (1835–1923) was a French composer, organist, and Benedictine monk, known for his significant contributions to liturgical music. He is best recognized for his work in the genre of sacred music, particularly in the context of the Catholic Church. Pothier was a pivotal figure in the revival of Gregorian chant and was instrumental in the efforts to reform and standardize liturgical music practices during the late 19th and early 20th centuries. Notable works include his "Mélodies grégoriennes," which are collections of Gregorian chants that he arranged and harmonized, making them more accessible for use in liturgical services. His efforts to publish and promote these works helped revive interest in Gregorian chant, influencing later generations of composers and musicians. Pothier's impact on music extended beyond his lifetime, as he laid the groundwork for future liturgical music practices and inspired the Catholic Church's musical reforms. His dedication to the preservation and revitalization of Gregorian chant remains a defining aspect of his legacy, and he is often celebrated for his role in fostering a deeper appreciation for this ancient musical tradition.