The Role of the Choir in Liturgical Music of Medieval Europe
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Choral singing was central to the religious life of medieval Europe, forming the basis of the liturgical practice of the Catholic Church for over a thousand years. Choral traditions evolved from the simple monodic forms of Gregorian chant to the complex polyphonic compositions of the Renaissance.
The papal court’s Schola cantorum set standards of performance that spread throughout Europe through monastic schools and cathedrals. Church buildings were designed to accommodate choirs, creating a unique acoustic environment. Convents developed their own choral traditions, adapting male models to the specific needs of female voices and the closed monastic lifestyle.

2 Schola cantorum and the papal singing schools
3 Gregorian chant as the basis of the choral repertoire
4 The emergence of polyphony in choral performance
5 Architectural aspects of the placement of choirs
6 Monastic choral traditions
7 Regional differences in choral traditions
8 The Influence of Choral Traditions on Late Medieval Music
9 Social functions of choral singing
The Origins of Liturgical Singing in the Early Middle Ages
The formation of choral traditions in European Christianity began in the late antique and early medieval period. Gregorian chant was traditionally performed by choirs of men and boys in churches, and by women and men of religious orders in their chapels. Originally, the choir was simply the eastern part of the nave, separated from the rest of the space by a screen or low railings called cancelli.
In the early Christian church, the sanctuary was directly connected to the nave. The development of the architectural feature known as the choir was the result of liturgical developments brought about by the end of the persecutions under Constantine the Great and the rise of monasticism. The word choir was first used by members of the Latin church, with Isidore of Seville and Honorius of Autun writing that the term derives from the corona, the circle of clerics or singers surrounding the altar.
The medieval church knew mainly only the unison choir and the solo ensemble. The polyphonic choir was an idea alien to medieval thinking. The first great achievements of polyphonic vocal writing, such as Perotin’s organa quadrupla and the motets of the 13th and 14th centuries, are often regarded as choral music for performance by a church choir, but this view is contrary to the facts.
Development of monodic singing
Gregorian chant developed primarily in western and central Europe in the 9th and 10th centuries, with subsequent additions and revisions. Although popular legend credits Pope Gregory I with inventing Gregorian chant, scholars believe that he merely ordered a collection of melodies from across Christendom to be compiled after instructing his emissaries in the Schola cantorum.
Gregorian chants were initially organized into four, then eight, and finally twelve modes. Typical melodic features included a characteristic ambitus, as well as characteristic intervallic patterns relative to the supporting finale of the mode, incipits and cadences, and the use of recitative tones at a certain distance from the finale.
The chorale was usually sung in unison. Later innovations included tropes — new text sung to the same melodic phrases in melismatic chant — and various forms of organum — improvised harmonic embellishment of chorale melodies centered on octaves, fifths, fourths, and, later, thirds.
Schola cantorum and the papal singing schools
In the second half of the 7th century, the papal court witnessed the Schola cantorum, which was responsible for the choral arrangement of the papal liturgy and the training of singers. It necessarily consisted of a group of boys and seven adults. Of the latter, three performed as soloists, the rest as auxiliary singers (paraphonista).
The Schola cantorum was a professional choir of men and boys at the papal court during the Middle Ages. From the 4th and 5th centuries, there were probably places where church singers were trained. In his biography of Pope Gregory the Great, John Hymmonides associates him with the founding of the Schola cantorum, but reliable evidence for its existence only dates from the late 7th century.
The original seven singers of the Schola cantorum – several of whom became popes – played an important role in the teaching of songs in the context of the introduction of the Roman liturgy and the development of the repertoire of liturgical chants. For this reason, they were also invited abroad, for example to England, Ireland or the Franks. Through them, Roman chants also reached the court of Charlemagne, where Gregorian chant was further developed.
The spread of singing schools
Following the example of the papal Schola, singing schools were formed at the Roman titular churches, and later in other places at large churches and monasteries, which served to teach boy singers to perform liturgical chants (masses, officia), as well as general school education. The most significant are considered to be the schools of Tours, Metz and St. Gallen.
The liturgical reform of Pope Urban II (1088-1099) made choral singing obligatory for the entire Roman clergy. During the papal exile to Avignon, the importance of the Roman Schola declined in favor of the chapel, which included singers and composers from the Dutch-French region.
The designation of the institution as "singing school" was transferred to the space reserved for the singing choir in the altar area, and later also to the group of singers. After the papal residence was moved to Avignon in 1305, the Schola cantorum lost its significance. Today, the Schola operates under the name Cappella Musicale Pontificia Sistina (Pontifical Choir of the Sistine Chapel).
Gregorian chant as the basis of the choral repertoire
Gregorian chant represents the central tradition of Western chant — a form of monophonic, unaccompanied sacred singing in Latin (sometimes Greek) of the Roman Catholic Church. It is the music of the Roman Rite, performed in the Mass and monastic office.
Although Gregorian chant is no longer obligatory, the Roman Catholic Church still officially considers it the music most suitable for worship. Gregorian chant has evolved to serve various functions in the Roman Catholic liturgy. In a broad sense, liturgical cantillations are used for texts intoned by deacons or priests.
Antiphonal and responsorial performance
Antiphonal chants accompany liturgical actions: the entrance of the clergy, the collection of offerings, and the distribution of the Eucharist. Responsorial chants expand the readings and lessons. Non-psalmodic chants, including the Ordinary of the Mass, sequences, and hymns, were originally intended for congregational singing.
The chorale was usually sung in unison. True antiphonal singing by two alternating choirs is still found, for example, in some German monasteries. However, antiphonal chants are usually sung in the responsorial style by a solo cantor alternating with the choir.
Another medieval innovation allowed a solo cantor to sing the opening words of the responsorial chants, with the full choir finishing the end of the opening phrase. This innovation allowed the soloist to fix the pitch of the chants for the choir and to signal the choral entrance.
Textural features
Gregorian chant was originally used for the singing of the office (by male and female religious) and for the singing of the parts of the Mass pertaining to the laity (men and women), the celebrant (the priest, always a man), and the choir (composed of male ordained clergy, except in monasteries, where women were allowed to sing the office).
Outside the larger cities, the number of available clergy dwindled, and male laymen began to sing these parts. Choir was considered an official liturgical duty reserved for the clergy, so women were not allowed to sing in the Schola Cantorum or other choirs except in monasteries, where women were allowed to sing the Office and choir parts of the Mass.
The emergence of polyphony in choral performance
Polyphony is characterized by the simultaneous combination of two or more independent melodies. Unlike homophony, where the main melody is accompanied by chords, polyphonic music treats each voice or part as a separate melodic line.
One of the earliest examples of polyphony is the organum of the medieval period, where the melody of the plein chant was embellished with one or more additional melodic lines. This technique laid the foundation for the complex polyphonic compositions of the Renaissance and Baroque.
Early forms of polyphony
During the medieval period (9th to 14th centuries), polyphony began to emerge in the form of organum. Composers such as Léonin and Pérotin of the Notre Dame School in Paris were pioneers of this early polyphonic style. Their works, known as organum, included a melody of a plein chant with one or more melodic lines added.
We know for sure that medieval polyphonic music was usually written not for large groups, but for soloists. In addition to internal evidence indicating their performance, records from the 13th-century Notre Dame archives show that only four singers were used for polyphonic singing, who, incidentally, received twice the salary of other singers.
The only type of choral singing widely practiced in the Middle Ages was unison singing. Gregorian chant developed to a high degree of perfection the art of contrasting solo and choral singing in monophony.
Development of choral polyphony
The Renaissance period (15th to 17th centuries) saw the rise of polyphonic music. Composers such as Josquin des Prez, Palestrina, and Thomas Tallis created complex and harmonically rich polyphonic works. The use of imitation, where a melodic phrase is introduced by one voice and then repeated by other voices at short intervals, became a characteristic feature of Renaissance polyphony.
Manfred Bukofzer discusses the origins of polyphonic choral writing. By "polyphonic writing" Bukofzer means music in which the voices do not simply duplicate unison, octave, fourth or fifth, but not necessarily music in which each voice has an independent melody.
Bukofzer describes such music as being in a "simple declamatory style" and concludes that it was "the typical idiom of choral polyphony as it was understood at the time." In other words, he is discussing music that often has a homophonic or hymn-like texture.
Architectural aspects of the placement of choirs
The choir as an architectural area of a church or cathedral provides space for the clergy and the church choir. It is located in the western part of the chancel, between the nave and the sanctuary, which contains the altar and the church tabernacle.
In larger medieval churches it contained choir stalls - seats aligned with the sides of the church, that is, at right angles to the congregational seats in the nave. Smaller medieval churches may have no choir at all in the architectural sense, and they are often absent from churches built by all denominations after the Protestant Reformation, although the Gothic Revival revived them as a distinct feature.
Evolution of architectural solution
As an architectural term, "choir" remains distinct from the actual location of any singing choir - they may be located in a variety of places and often sing from choir lofts, often above the door at the liturgical west end. In modern churches, the choir may be located centrally behind the altar or pulpit.
The area where the singers are based is sometimes called the ritual choir, as opposed to the architectural choir or the structural choir. The back choir or retrochoir is the space behind the main altar in the choir of a church, which may contain a small altar back-to-back with another.
Early church architecture did not provide space for the clergy to sing the service; but as church ritual became more complex, beginning in the 10th century, it required more space to accommodate the increased number of participants. At first, the choir contained simple, unattached chairs, but by Gothic times the seats had evolved into choir stalls — built-in rows of prayer stands and folding seats.
Choir stalls and their meaning
The stalls are usually arranged in two sets of stepped rows along the edges of the choir, facing each other and at right angles to the altar. Gothic craftsmen carved wooden stalls intricately, with animal forms, biblical scenes, or abstract designs.
Often wooden canopies over each stall and high armrests between them made each seat look like a separate small building. Outstanding examples of decorated choir stalls are those at the Monastery of St. Thomas in Avila, Spain, and those designed by Grinling Gibbons at St. Paul’s Cathedral in London.
Many modern churches have singers positioned in a "choir loft" or balcony. In their late medieval heyday, choir screens were central elements and focal points of their sacred environments.
Monastic choral traditions
Choirs in female monastic and conventual communities represent spaces whose complexity has been highlighted due to their multi-purpose and multi-functional nature. Although they are within the private sphere of prayer of the divine office of the community, it has also been noted that they play a liturgical role as a space from which nuns ‘hear’ and follow the celebrations taking place in the church and even in the choral altars.
The Poor Clares of the convent of Sant’Antonio and Santa Clara actually referred to the choir altar as nostro altar, emphasizing the close ties that connected them to the liturgical table in this private space, as opposed to those in the esglesia defora.
Female singing schools
The transmission of sacred wisdom or religious knowledge in late antique Christianity took place in a variety of social settings and through a variety of pedagogical methods. Among the most important contexts for such transmission was the liturgical celebration in all its various modes.
In recent scholarship, the work of the liturgy as a pedagogical medium broader than the bishop’s sermon has offered fruitful material. Increasingly, scholars have turned to the role of hymns as a source of instruction for parishioners.
The Dominican monk John of the Nider (1380-1438), known today as the father of witchcraft literature, played an important role at the Council of Basel (1431-49) in the council’s delegation to the Hussites and its deputation on religious reform. Despite Nider’s reputation as a reformer of religious communities, his approach to communal liturgy has received little attention.
Liturgical reforms in monasteries
Biographical descriptions of Nider by his contemporaries and letters of visitation he wrote to convents show Nider as an involved liturgical leader, a talented singer with a powerful voice, and a zealous expert in the legal details of Dominican liturgical rules.
In light of these contexts, De reformatione’s sweeping laments of liturgical neglect and academic metaphors of well-ordered proportion are not mere rule-threshing and scholastic fantasy, but rather universalized expressions of Nieder’s lifelong commitment to Dominican musical and ritual practice.
Regional differences in choral traditions
The pre-Reformation Church was characterized by liturgical diversity. It was not until the Tridentine Missal in 1570 that uniformity in liturgy was imposed on the Catholic Church. Until then, each diocese or religious order had its own liturgical books with their own texts, music, and rubrics.
There were often variations from city to city within a diocese and even between different churches in a single city. Cathedrals, court chapels, and collegiate churches (such as All Saints’ in Wittenberg) often had their own versions of the liturgy.
German traditions
Some German churches shortened or omitted parts of the “publicly sung mass, substituting paraphrases or unrelated texts in the vernacular.” These vernacular substitutes were sung by the choir. One scholar concluded: “In the east as well as in the south, in the north as well as in the west of Germany about 1500, and before and after.”
Although Luther advocated congregational singing, the Lutheran liturgy remained largely choral in the first generations after the Reformation. There were common elements: “All used the Roman Rite, the liturgy of almost all Western Europe. The general form of the mass and the office were the same.”
Differences were manifested in “the assignment of the proper texts, the placement of certain variable elements (such as the sermon and congregational songs), the presence or absence of certain propria (such as the communion antiphon), the melodies used to convey the liturgical texts, and the musical performance of the liturgy.”
Catalan monastic traditions
The choirs of three convents in Barcelona in the 14th and 15th centuries - Sant Pere de les Puelles (Benedictine), Sant Antoni and Santa Clara and Santa Maria de Pedralbes (both Poor Clares) - present a complex study of spaces, functions, goods, furniture and decoration.
The devotional-liturgical binomial is combined with other contrasting terms, such as esglesia dintra – sgleya de fora, which indicate a duality: claustration (as the closed, internal and private space of nuns) and the external church, accessible to priests and laity, as well as private devotion versus communal devotion.
The Influence of Choral Traditions on Late Medieval Music
The development of polyphonic church musical compositions was created mainly on the basis of the unchangeable parts of the mass already from the 14th century. In the late Middle Ages and the Renaissance, composers created masses as integral cyclical works.
A service during which a musical mass is performed, that is, all parts of the ordinary are sung in their entirety, is a solemn mass or high mass. A mass in which the ordinary and proper texts are not sung, but are read (recited) in whole or in part, was called a silent mass or low mass.
Development of composer’s creativity
The Mass in Roman Catholic worship is the most important service. Its musical design, like that of the office services, developed in the era of the central Middle Ages on the basis of Gregorian monody (Gregorian chant).
The basic structure of the musical mass is the Ordinary - the unchangeable text of the Latin Catholic service, which consists of the following parts: Kyrie eleison, Gloria in excelsis Deo, Credo, Sanctus, Benedictus qui venit in nomine Domini and Agnus Dei.
Most composers’ masses are written to this text of the Ordinary. In modern reconstructions of composers’ masses of the late Middle Ages and the Renaissance - in order to give the performance an authentic character - the text of the Ordinary is often interspersed with chants of the Proprius, original monodic or their polyphonic (composer’s) arrangements.
Macaronic poetry and choral performance
Late medieval religious macaronic texts (c. 1350–1500) played a special role in the choral repertoire. The untranslated presence of liturgical quotations is no less important than their literal meaning. An examination of the relationship between code-switching and verse form demonstrates that such quotations are formally differentiated in a way that not only acknowledges their innate virtus (or spiritual efficacy) but also emphasizes it for doctrinal purposes.
Even when they are comprehensively glossed, they are presented as untranslatable. This effect is particularly pronounced in carols and other texts that explicitly identify their liturgical phrases as quotations, framing them in a way that encourages readers to vocalize them and thus join the eternal Christian community.
Social functions of choral singing
The choir has four distinct liturgical roles, although they sometimes overlap. Solo singing: just the choir, when the congregation is not singing. Congregational singing: just as members of the congregation. Stimulator: as an over-prepared portion of the congregation that sings confidently to stimulate the rest of the congregation to sing. Simultaneous enhancer: choral elaboration (harmonies, trebles) while the congregation is also singing.
Examples of each of these four roles include: solo free-standing - Palestrina, Bach, Rutter - anthems or motets, performed, for example, as a prelude, at the preparation of the gifts and altar, during or after communion, or as a postlude.
Educational functions
The choir sings everything else in the liturgy — the vast majority of the music — in unison with the congregation, without rehearsing it. Responsorial psalm verses sung in sections in alternation with the congregational refrain; one stanza of a congregational stanzaic hymn sung by the choir alone in sections while the congregation sings the other stanzas.
The congregational opening hymn is accompanied by organ, with the members of the choir lifting the hymnbook and singing in unison like everyone else, without rehearsing the hymn. This allows the choir to function as a model singing group, demonstrating the correct performance of liturgical melodies.
The medieval mass was divided into two large and unequal parts. The first part was the "mass of the catechumens" and the second part was the "mass of the faithful". By the end of the first millennium, this division disappeared. The catechumens were those who were just about to accept Christianity, people who were preparing to undergo the rite of baptism.
Antiphonal performance
The medieval mass included parts that were different in performance, which were read by a priest or deacon. There are parts that are read and sung, and there are parts that combine both reading and singing. There is reading and recitative, there is a choir, there is an antiphon, that is, two semi-choruses - the choir is divided into two parts, and a dialogue between two groups of the choir arises.
And there is the so-called "responsory" - translated from Latin as "answering". The responsory is performed by a soloist and a choir. Usually, these are questions from the soloist and answers from the choir. The mass as a whole consists of an ordinary or canon, that is, parts that are heard daily, without fail, and the so-called propria - a section whose text is read or sung in connection with church holidays.
At the beginning there is the so-called Introitus - "entrance song", which is an antiphonal singing of two half-choirs accompanying the procession of the clergy from the sacristy to the altar. In the Middle Ages, in the early Middle Ages, it was the choir that accompanied the offering of bread and wine to the altar by all the believers.
The choral traditions of medieval Europe formed the foundation of Western church music, exerting an indelible influence on the development of liturgical art. From the humble beginnings of unison Gregorian chant to the complex polyphonic compositions of the 15th century, choral singing evolved as a central element of Christian worship. The schola cantorum of the papal court set standards for professional performance that spread through monastic schools throughout Europe.
The architectural development of church spaces specifically took into account the needs of choirs, creating acoustic conditions optimized for liturgical singing. Convents adapted male choral traditions, developing unique forms of musical expression within the claustral lifestyle. Regional differences in liturgical practice resulted in a rich diversity of choral styles reflecting local cultural characteristics.
The transition from monody to polyphony represented a revolutionary change in the concept of choral performance, requiring new skills from singers and composers. Macaronic poetry and complex liturgical cycles demonstrated the growing sophistication of the choral repertoire. The social functions of choral singing extended far beyond purely musical aspects, including educational, spiritual, and social roles.
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