Introit
Encyclopedia
The Introit is part of the opening of the liturgical
Liturgy
Liturgy is either the customary public worship done by a specific religious group, according to its particular traditions or a more precise term that distinguishes between those religious groups who believe their ritual requires the "people" to do the "work" of responding to the priest, and those...

 celebration of the Eucharist
Eucharist
The Eucharist , also called Holy Communion, the Sacrament of the Altar, the Blessed Sacrament, the Lord's Supper, and other names, is a Christian sacrament or ordinance...

 for many Christian denominations. In its most complete version, it consists of an antiphon
Antiphon
An antiphon in Christian music and ritual, is a "responsory" by a choir or congregation, usually in Gregorian chant, to a psalm or other text in a religious service or musical work....

, psalm
Psalms
The Book of Psalms , commonly referred to simply as Psalms, is a book of the Hebrew Bible and the Christian Bible...

 verse and Gloria Patri that is spoken or sung at the beginning of the celebration. It is part of the Proper
Proper (liturgy)
The Proper is a part of the Christian liturgy that varies according to the date, either representing an observance within the Liturgical Year, or of a particular saint or significant event...

 of the liturgy; that is, the part that changes over the liturgical year.

In the Roman Rite
Roman Rite
The Roman Rite is the liturgical rite used in the Diocese of Rome in the Catholic Church. It is by far the most widespread of the Latin liturgical rites used within the Western or Latin autonomous particular Church, the particular Church that itself is also called the Latin Rite, and that is one of...

 of the Roman Catholic Church it is known as the antiphona ad introitum (Entrance antiphon), as in the text for each day's Mass, or as the cantus ad introitum (Entrance chant) as in the General Instruction of the Roman Missal
General Instruction of the Roman Missal
The General Instruction of the Roman Missal —in the Latin original, Institutio Generalis Missalis Romani —is the detailed document governing the celebration of Mass of the ordinary form of the Roman Rite of the Catholic Church since 1969...

, 47 and as in the First Roman Ordo (sixth to seventh century). In pre-1970 editions of the Roman Missal, the word Introitus was used, distinguished from the normal meaning of the word (entrance) by being capitalized. In Ambrosian chant
Ambrosian chant
Ambrosian chant is the liturgical plainchant repertory of the Ambrosian rite of the Roman Catholic Church, related to but distinct from Gregorian chant. It is primarily associated with the Archdiocese of Milan, and named after St. Ambrose much as Gregorian chant is named after Gregory the Great...

 and Beneventan chant
Beneventan chant
Beneventan chant is a liturgical plainchant repertory of the Roman Catholic Church, used primarily in the orbit of the southern Italian ecclesiastical centers of Benevento and Montecassino, distinct from Gregorian chant and related to Ambrosian chant...

, the counterpart of the Introit is called the "ingressa".
In the Mozarabic
Mozarabic Rite
The Mozarabic, Visigothic, or Hispanic Rite is a form of Catholic worship within the Latin Rite of the Catholic Church, and in the Spanish Reformed Episcopal Church . Its beginning dates to the 7th century, and is localized in the Iberian Peninsula...

, Carthusian
Latin liturgical rites
Latin liturgical rites used within that area of the Catholic Church where the Latin language once dominated were for many centuries no less numerous than the liturgical rites of the Eastern autonomous particular Churches. Their number is now much reduced...

, Dominican
Dominican Rite
The Dominican Rite is the unique rite of the Dominican Order of the Roman Catholic Church. It has been classified differently by different sources - some consider it a usage of the Roman Rite, others a variant of the Gallican Rite, and still others a form of the Roman Rite into which Gallican...

, and Carmelite Rite
Carmelite Rite
The Rite of the Holy Sepulchre commonly called the Carmelite Rite is the liturgical rite that was used by the Canons Regular of the Holy Sepulchre, Hospitallers, Templars, Carmelites and the other orders founded within the Latin Patriarchate of Jerusalem....

s, it is called the "officium".

History

Originally, the entrance of the priest who was to celebrate Mass was accompanied by the singing of a whole psalm, with Gloria Patri (doxology). While the psalm was at first sung responsorially, with an antiphon repeated by all at intervals, while a solo singer chanted the words of the psalm, it was soon sung directly by two groups of singers alternating with each other, and with the antiphon sung only at the beginning and the end, as is the usual way of chanting the psalms in the Liturgy of the Hours
Liturgy of the hours
The Liturgy of the Hours or Divine Office is the official set of daily prayers prescribed by the Catholic Church to be recited at the canonical hours by the clergy, religious orders, and laity. The Liturgy of the Hours consists primarily of psalms supplemented by hymns and readings...

. The change to this manner of singing the psalm has been attributed to Pope Celestine I
Pope Celestine I
Pope Saint Celestine I was elevated to the papacy in the year 422, on November 3 according to the Liber Pontificalis, but on April 10 according to Tillemont....

 (422-432). Pope Gregory I
Pope Gregory I
Pope Gregory I , better known in English as Gregory the Great, was pope from 3 September 590 until his death...

 (590-604), after whom Gregorian chant
Gregorian chant
Gregorian chant is the central tradition of Western plainchant, a form of monophonic liturgical music within Western Christianity that accompanied the celebration of Mass and other ritual services...

 is named, composed several antiphons for singing with the Entrance psalm.

If singing of the psalm was not completed by the time the Entrance procession arrived at the altar, the singers moved directly to the Gloria Patri and the final repetition of the antiphon. In time only the opening verse of the psalm was kept, together with the Gloria Patri, preceded and followed by the antiphon, the form of the Introit in Tridentine Mass
Tridentine Mass
The Tridentine Mass is the form of the Roman Rite Mass contained in the typical editions of the Roman Missal that were published from 1570 to 1962. It was the most widely celebrated Mass liturgy in the world until the introduction of the Mass of Paul VI in December 1969...

 Roman Missal
Roman Missal
The Roman Missal is the liturgical book that contains the texts and rubrics for the celebration of the Mass in the Roman Rite of the Catholic Church.-Situation before the Council of Trent:...

s, which explicitly indicate this manner of singing the Introit.

The 1970 revision of the Roman Missal explicitly envisages singing the entire psalm associated with the antiphon, but does not make it obligatory.
In contemporary Catholic usage
Mass of Paul VI
The Mass of Pope Paul VI is the liturgy of the Catholic Mass of the Roman Rite promulgated by Paul VI in 1969, after the Second Vatican Council...

, the introit corresponds to the Entrance Antiphon and is sung or recited audibly throughout by the faithful.

Text and liturgical use

The antiphons of most Introits are taken from Psalms
Psalms
The Book of Psalms , commonly referred to simply as Psalms, is a book of the Hebrew Bible and the Christian Bible...

, though many come from other parts of Scripture
Bible
The Bible refers to any one of the collections of the primary religious texts of Judaism and Christianity. There is no common version of the Bible, as the individual books , their contents and their order vary among denominations...

. In some rare cases the antiphon is not from Scripture: "Salve, sancta parens", from the Christian poet Sedulius
Coelius Sedulius
Coelius Sedulius, was a Christian poet of the first half of the 5th century. He is termed a presbyter by Isidore of Seville and in the Gelasian decree....

, is the antiphon used in the Tridentine form of the Roman Rite for common Masses of the Blessed Virgin Mary; the 1970 revision kept a Mass formula of the Blessed Virgin with that antiphon, but provided several alternatives.

The words of the antiphons are related to the theme of the feastday or celebration and most frequently have something in common with the liturgical readings of the Mass.

In the Tridentine Mass the Introit is no longer the first text used in the Mass. In Low Mass
Low Mass
Low Mass is a Tridentine Mass defined officially in the Code of Rubrics included in the 1962 edition of the Roman Missal as Mass in which the priest does not chant the parts that the rubrics assign to him...

, the priest reads it only after the Prayers at the Foot of the Altar. Until 1908, even in sung Mass the choir began the Introit only after the priest had begun those prayers, but Pope Pius X
Pope Pius X
Pope Saint Pius X , born Giuseppe Melchiorre Sarto, was the 257th Pope of the Catholic Church, serving from 1903 to 1914. He was the first pope since Pope Pius V to be canonized. Pius X rejected modernist interpretations of Catholic doctrine, promoting traditional devotional practices and orthodox...

 restored the old arrangement whereby the Introit accompanied the entrance procession of the priest with the ministers. The Tridentine Mass has the priest read the Introit in the Missal even when it is also sung by the choir. It also has him make the sign of the cross
Sign of the cross
The Sign of the Cross , or crossing oneself, is a ritual hand motion made by members of many branches of Christianity, often accompanied by spoken or mental recitation of a trinitarian formula....

, when reading it, a relic of the time when Mass began with it.

Since the 1970 revision of the Roman Missal, the Entrance chant begins as the priest enters. Its purpose is to open the celebration, foster the unity of those who have been gathered, turn their thoughts to the mystery of the celebration, and accompany the procession. If there is no singing at the Entrance, the antiphon in the Missal is recited either by the faithful, or by some of them, or by a lector; otherwise, it is recited by the priest himself, who may
even adapt it as an introductory explanation.

If another rite immediately precedes Mass, such as the Palm Sunday
Palm Sunday
Palm Sunday is a Christian moveable feast that falls on the Sunday before Easter. The feast commemorates Jesus' triumphal entry into Jerusalem, an event mentioned in all four Canonical Gospels. ....

 procession or the various ceremonies that precede Mass at the Easter Vigil
Easter Vigil
The Easter Vigil, also called the Paschal Vigil or the Great Vigil of Easter, is a service held in many Christian churches as the first official celebration of the Resurrection of Jesus. Historically, it is during this service that people are baptized and that adult catechumens are received into...

, Mass begins with the collect
Collect
In Christian liturgy, a collect is both a liturgical action and a short, general prayer. In the Middle Ages, the prayer was referred to in Latin as collectio, but in the more ancient sources, as oratio. In English, and in this usage, "collect" is pronounced with the stress on the first syllable...

; there is no Entrance at that point and so no Entrance chant.

Musical setting

In the musical idiom of Gregorian chant
Gregorian chant
Gregorian chant is the central tradition of Western plainchant, a form of monophonic liturgical music within Western Christianity that accompanied the celebration of Mass and other ritual services...

, Introits normally take the form antiphon-verse-antiphon-doxology
Glory Be to the Father
Gloria Patri, also known as Glory Be to the Father’ , is a doxology, a short hymn of praise to God in various Christian liturgies...

-antiphon. In the Tridentine Missal, this form was, with very few exceptions, reduced to antiphon-verse-doxology-antiphon.

For example, the Tridentine Missal presents the Introit of the Fourth Sunday of Advent
Advent
Advent is a season observed in many Western Christian churches, a time of expectant waiting and preparation for the celebration of the Nativity of Jesus at Christmas. It is the beginning of the Western liturgical year and commences on Advent Sunday, called Levavi...

 as follows:
First the antiphon Rorate Caeli from :
Rorate, caeli, desuper, et nubes pluant iustum:
aperiatur terra, et germinet Salvatorem.
(Bedew us, heavens, from above; ye clouds, rain down the Just One. Let the earth be opened up, and produce the Saviour.)
Then the verse from :
Caeli enarrant gloriam Dei
et opera manuum eius annuntiat firmamentum
(The heavens declare the glory of God, and the firmament declares the work of His hands.)
Then the doxology.
Gloria Patri et Filio et Spiritui Sancto,
Sicut erat in principio et nunc et semper et in saecula saeculorum. Amen.
(Glory to the Father, and to the Son, and to the Holy Ghost, as it was in the beginning, is now, and will be for ever. Amen.)
Then, once again, the initial antiphon: Rorate ... Salvatorem.


Introits, like Offertories
Offertory
The Offertory is the portion of a Eucharistic service when bread and wine are brought to the altar. The offertory exists in many liturgical Christian denominations, though the Eucharistic theology varies among celebrations conducted by these denominations....

 and Communion
Communion (chant)
The Communion is the Gregorian chant sung during the distribution of the Eucharist in the Roman Rite Catholic Mass. It is one of the antiphonal chants of the Proper of the Mass, and the final chant in the proper...

s, are believed to have evolved from simpler reciting tone
Reciting tone
In chant, a reciting tone is a repeated musical pitch around which the other pitches of the chant gravitate, or by extension, the entire melodic formula that centers on one or two such pitches. In Gregorian chant, reciting tones are used for a number of contexts, including the chanting of psalm...

s. Introit melodies show this musical parentage most clearly, and are often anchored around two reciting notes which may be repeated or percussed. The melodies are mostly neumatic, dominated by neume
Neume
A neume is the basic element of Western and Eastern systems of musical notation prior to the invention of five-line staff notation. The word is a Middle English corruption of the ultimately Ancient Greek word for breath ....

s with two or three notes per syllable, although syllabic and melisma
Melisma
Melisma, in music, is the singing of a single syllable of text while moving between several different notes in succession. Music sung in this style is referred to as melismatic, as opposed to syllabic, where each syllable of text is matched to a single note.-History:Music of ancient cultures used...

tic passages also occur.

The Introits of Old Roman chant
Old Roman chant
Old Roman chant is the liturgical plainchant repertory of the Roman rite of the Roman Catholic Church formerly performed in Rome, closely related to but distinct from the Gregorian chant, which gradually supplanted it between the 11th century and the 13th century...

 share many similarities with their Gregorian cousins, and often include a repeated extra verse that fell out of use in the Gregorian repertory.

Use of the incipit

In the same way as Church documents are referred to by their incipit
Incipit
Incipit is a Latin word meaning "it begins". The incipit of a text, such as a poem, song, or book, is the first few words of its opening line. In music, it can also refer to the opening notes of a composition. Before the development of titles, texts were often referred to by their incipits...

 (their first words in Latin), Mass formulas are known by the incipit of their Introit, which is the first text in the formula. Thus a Mass for the dead is referred to a Requiem
Requiem
A Requiem or Requiem Mass, also known as Mass for the dead or Mass of the dead , is a Mass celebrated for the repose of the soul or souls of one or more deceased persons, using a particular form of the Roman Missal...

Mass, and the three Christmas Day Masses have been called Dominus dixit, Lux fulgebit and Puer natus. So too, Gaudete Sunday
Gaudete Sunday
Gaudete Sunday is the third Sunday of Advent in the liturgical calendar of the Western Church, including the Catholic Church, the Anglican Communion, the Lutheran Churches, and some liturgical Protestant churches...

 is a name for the third Sunday in Advent
Advent
Advent is a season observed in many Western Christian churches, a time of expectant waiting and preparation for the celebration of the Nativity of Jesus at Christmas. It is the beginning of the Western liturgical year and commences on Advent Sunday, called Levavi...

, Laetare Sunday
Laetare Sunday
Laetare Sunday , so called from the incipit of the Introit at Mass, "Laetare Jerusalem" , is a name often used to denote the fourth Sunday of the season of Lent in the Christian liturgical calendar...

 for the fourth Sunday in Lent
Lent
In the Christian tradition, Lent is the period of the liturgical year from Ash Wednesday to Easter. The traditional purpose of Lent is the preparation of the believer – through prayer, repentance, almsgiving and self-denial – for the annual commemoration during Holy Week of the Death and...

, and Quasimodo Sunday for the Octave
Octave of Easter
The term Octave of Easter may refer either to the eight day period from Easter Sunday until the Sunday following Easter, inclusive; or it may refer only to that Sunday after Easter, the Octave Day of Easter . That Sunday is also known historically as St...

or Second Sunday of Easter, because of the incipit of the Entrance antiphons of those Sundays.
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