Vidi aquam is the name of an

antiphon An antiphon ( Greek ἀντίφωνον, ἀντί "opposite" and φωνή "voice") is a short chant in Christian ritual, sung as a refrain. The texts of antiphons are the Psalms. Their form was favored by St Ambrose and they feature prominentl ...

, which may be sung before the

Tridentine Mass The Tridentine Mass, also known as the Traditional Latin Mass or Traditional Rite, is the liturgy of Mass (liturgy), Mass in the Roman Rite of the Catholic Church that appears in Editio typica, typical editions of the Roman Missal published from ...

on Sunday, or either before or at the beginning (in place of the Penitential Rite) of the

Mass of Paul VI The Mass of Paul VI, also known as the Ordinary Form or Novus Ordo, is the most commonly used liturgy in the Catholic Church. It is a form of the Latin Church's Roman Rite and was promulgated by Pope Paul VI in 1969, published by him in the ...

according to the 2002 rubrics. It accompanies the Asperges, the ritual at the beginning of Mass where the celebrant sprinkles the congregation with baptismal

water Water (chemical formula ) is an inorganic, transparent, tasteless, odorless, and nearly colorless chemical substance, which is the main constituent of Earth's hydrosphere and the fluids of all known living organisms (in which it acts as ...

. It is sung from

Easter Sunday Easter,Traditional names for the feast in English are "Easter Day", as in the ''Book of Common Prayer''; "Easter Sunday", used by James Ussher''The Whole Works of the Most Rev. James Ussher, Volume 4'') and Samuel Pepys''The Diary of Samuel P ...

throughout the liturgical season of

Eastertide Eastertide (also known as Eastertime or the Easter season) or Paschaltide (also known as Paschaltime or the Paschal season) is a festal season in the liturgical year of Christianity that focuses on celebrating the Resurrection of Jesus Christ. ...

until the feast of

Pentecost Pentecost (also called Whit Sunday, Whitsunday or Whitsun) is a Christian holiday which takes place on the 50th day (the seventh Sunday) after Easter Sunday. It commemorates the descent of the Holy Spirit upon the Apostles and other followers ...

. It replaces the simpler antiphon '' Asperges me'', which is used outside Eastertide. The text refers to the words of the prophet

Ezekiel Ezekiel (; he, יְחֶזְקֵאל ''Yəḥezqēʾl'' ; in the Septuagint written in grc-koi, Ἰεζεκιήλ ) is the central protagonist of the Book of Ezekiel in the Hebrew Bible. In Judaism, Christianity, and Islam, Ezekiel is ac ...

( Ezekiel 47:1), who saw the waters gushing forth from the Temple as a sanctifying flood that flows eastward through the earth and purifies the sea. "And he brought me again to the gate of the house, and behold waters issued out from under the threshold of the house toward the east: for the forefront, of the house looked toward the east: but the waters came down to the right side of the temple to the south part of the altar." The text also refers to the words of

John the Apostle John the Apostle ( grc, Ἰωάννης; la, Ioannes ; Ge'ez: ዮሐንስ;) or Saint John the Beloved was one of the Twelve Apostles of Jesus according to the New Testament. Generally listed as the youngest apostle, he was the son of Zebede ...

in The Gospel of John 19:34, who saw the waters gushing forth from the right side of Christ (The Temple). "But one of the soldiers with a spear opened his side, and immediately there came out blood and water." Water And Blood

During the antiphonal hymn, the reference to Ezekiel 47:1 and John 19:34 is then followed by

Psalm 117 Psalm 117 is the 117th psalm of the Book of Psalms, beginning in English in the King James Version: "O praise the LORD, all ye nations: praise him, all ye people." In Latin, it is known as ''Laudate Dominum''. Consisting of only two verses, Psal ...

and

Gloria Patri The Gloria Patri, also known as the Glory Be to the Father or, colloquially, the Glory Be, is a doxology, a short hymn of praise to God in various Christian liturgies. It is also referred to as the Minor Doxology ''(Doxologia Minor)'' or Les ...

. It is customary that during the

, those present should bow their heads in reverence for the Holy

Trinity The Christian doctrine of the Trinity (, from 'threefold') is the central dogma concerning the nature of God in most Christian churches, which defines one God existing in three coequal, coeternal, consubstantial divine persons: God th ...

.GIRM 275 a
/ref> It is not uncommon that throughout the liturgical season of

, the

Priest A priest is a religious leader authorized to perform the sacred rituals of a religion, especially as a mediatory agent between humans and one or more deities. They also have the authority or power to administer religious rites; in partic ...

will stop the sprinkling of the Holy Water to turn around and bow towards the

Tabernacle According to the Hebrew Bible, the tabernacle ( he, מִשְׁכַּן, mīškān, residence, dwelling place), also known as the Tent of the Congregation ( he, link=no, אֹהֶל מוֹעֵד, ’ōhel mō‘ēḏ, also Tent of Meeting, etc.), ...

.GIRM 275
/ref> Collectively, the entire

translates to:

References

Christian liturgical music {{Christian-music-stub