Missa Brevis is a fairly conventional work from Hailstork, whose style encompasses all aspects of his life as a musician. is is serious art music for professional performers, touching on African-Ameri can themes as well as Protestant church music, having spent many years of his life as a Unitarian minister. Written for female a cappella voices, Missa Brevis is excellent for concert use. Appropriate for high school or skilled church choirs.