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 Heave away, my Johnny arranged for TBB male voice choir and piano Here's to the maiden for TBB choir and piano Pray For Peace for mezzo and piano Suite for Recorders for four recorders Two's Company for two guitars, strings and harp Under The Greenwood Tree for voice and piano