Mass of the presanctified. The ministers are prostrate before unveiling the cross on which Our Lord died on this day.At the "flectamus genua" in the collect following the tractReading of the PassionThe cross is uncovered in three steps at the chant of: "ecce lignum Crucis, in quo salus mundi pependit" --"here is the wood of the Cross on which was hung the Savior of the world"Veneration of the CrossThe schola sings the "Impropers" which make up a chant of lamentation of Our LordThe Sacred Species are brought from the altar of repose to the main altar