[1][2] It accompanies the Asperges, the ritual at the beginning of Mass where the celebrating priest sprinkles the congregation with baptismal water.
But one of the soldiers with a spear opened his side, and immediately there came out blood and water.During this hymn, the reference to Ezekiel 47:1 and John 19:34 is then followed by Psalm 117 and Gloria Patri.
It is customary that during the Gloria Patri, those present should bow their heads to revere the Holy Trinity.
[6] It is not uncommon that throughout the liturgical season of Eastertide, the Priest will stop the sprinkling of the Holy Water to turn around and make this bow towards the Tabernacle.
Gloria Patri, et Filio, et Spiritui Sancto, Sicut erat in principio, et nunc, et semper, et in saecula saeculorum.