Carissimi: Today’s Mass; Feria of Sunday I Post Pentecost

Feria of Sunday I Post Pentecost: Missa “Domine, in Tua” The Mass of the First Sunday after Pentecost has been replaced by the Mass of Trinity Sunday. However for ferias the following week, the First Sunday after Pentecost is commemorated as the Feria Mass. INTROIT Psalm 67: 6, 7, 36 O Lord, I have trusted in thy mercy….