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 Canary Wine for SSAA choir Concertino for Piano and String Orchestra He is so Sweet and Small carol for unison voices and organ Resonet In Laudibus, Christmas Motet for SATB a cappella choir Then Laugheth The Year for SATB choir, strings and 2 pianos Turkey in the Straw for orchestra