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 But Peaceful was the Night carol for SATB a cappella choir Fiori Musicali for string orchestra Five William Blake Songs of Innocence for high voice and guitar Flourish for an occasion for brass band Pray For Peace for mezzo and piano Whimsies for solo guitar