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 Sacred Audience Participation Related works Arioso for violin and piano Five William Blake Songs of Innocence for high voice and guitar Mass No.3 for congregational singing String Quartet for string quartet Then Laugheth The Year for SATB choir, strings and 2 pianos Up And Get Us Gone, My Neighbour for SATB a cappella