in france, organ music developed during the baroque era through the music of jean titelouze, françois couperin, and nicolas de grigny. because the french organ of the 17th and early 18th centuries was very standardized, a conventional set of registrations developed for its repertoire. the music of french composers (and italian composers such as girolamo frescobaldi) was written for use during the mass. very little secular organ music was composed in france and italy during the baroque period; the written repertoire is almost exclusively intended for liturgical use. in england, composers such as john blow and john stanley wrote multi-sectional free works for liturgical use called "voluntaries" through the 19th century.