The Petite Messe «Ave Verum Corpus» by Amédeé Gastoué (1873–1943) is a three-voice (SABar) setting of all movements except the Credo. Other than the Gloria, its range requirements are pretty modest. Might be worth a look.
To participate in the discussions on Catholic church music, sign in or register as a forum member, The forum is a project of the Church Music Association of America.
