It’s a practice for several parishes in my home diocese to chant the Kyrie, Sanctus, Memorial Acclamation (“Mortem Tuam”), and Agnus Dei in Greek and Latin at Sunday Mass during the season of Lent.

Standing before his parishioners holding the sacred bread of Communion in his hands, Father Vincent De Rosa, the pastor of St. Mary Mother of God Parish, solemnly intoned in Latin, “Ecce Agnus Dei.” ...