Work Mass For Unity for congregation and keyboard Year: 1966 · Duration: 8m Year: 1966 Duration: 8m John Ritchie Composer Composer: John Ritchie About Work About Commissioned note Commissioned by Auckland Roman Catholic Diocese Related tags Audience Participation Sacred Related works Carol Of The Field Mice for SATB unaccompanied Here He has Peace for solo voice and SATB choir Jubilate Deo for SSA choir and orchestra Now ev'ry child that dwells on earth for SATB choir Prayer For Poverty for high voice and piano Zhivago's Christmas Star for soprano and piano or orchestra