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 Jubilate Deo for SSA choir and orchestra Kelvin Grove for TBB choir and piano Lord, when the Sense of Thy Sweet Grace for SSATB choir May eternal light shine on them, O Lord for choir and organ Partita for Wind Octet for flute, clarinet, 2 bassoons, 2 trumpets and 2 trombones Suite No. 1 for Strings for string orchestra