The Kyriale is a collection 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...

 settings for the Ordinary of the Mass

Ordinary of the Mass

The ordinary, in Roman Catholic and other Western Christian liturgies, refers to the part of the Eucharist or of the canonical hours that is reasonably constant without regard to the date on which the service is performed...

. It contains eighteen Masses (each consisting of the Kyrie

Kyrie

Kyrie, a transliteration of Greek κύριε , vocative case of κύριος , meaning "Lord", is the common name of an important prayer of Christian liturgy, which is also called the Kýrie, eléison ....

, Gloria

Gloria in Excelsis Deo

"Gloria in excelsis Deo" is the title and beginning of a hymn known also as the Greater Doxology and the Angelic Hymn. The name is often abbreviated to Gloria in Excelsis or simply Gloria.It is an example of the psalmi idiotici "Gloria in excelsis Deo" (Latin for "Glory to God in the highest")...

, Sanctus

Sanctus

The Sanctus is a hymn from Christian liturgy, forming part of the Order of Mass. In Western Christianity, the Sanctus is sung as the final words of the Preface of the Eucharistic Prayer, the prayer of consecration of the bread and wine...

, and Agnus Dei), six Credo

Credo

A credo |Latin]] for "I Believe") is a statement of belief, commonly used for religious belief, such as the Apostles' Creed. The term especially refers to the use of the Nicene-Constantinopolitan Creed in the Mass, either as text, Gregorian chant, or other musical settings of the...

s, and several ad libitum

Ad libitum

Ad libitum is Latin for "at one's pleasure"; it is often shortened to "ad lib" or "ad-lib"...

 chants. This collection is included in liturgical books such as the Graduale Romanum and Liber Usualis

Liber Usualis

The Liber Usualis is a book of commonly used Gregorian chants in the Catholic tradition, compiled by the monks of the Abbey of Solesmes in France....

, and it is also published as a separate book by the monks of Solesmes Abbey.

Some of the more notable inclusions are Mass VIII which is the Missa de Angelis and Mass XI which is the Missa Orbis Factor.

Contents

• Asperges me
  Asperges Me
  Asperges Me is a Latin antiphon said or sung at a Roman Catholic Solemn Mass in all seasons except the Easter season and Palm Sunday. It traditionally accompanies the Asperges, the ritual sprinkling of the congregation by the celebrant with holy water, as part of an entrance ritual, symbolising...
  
  
• Vidi aquam
• Mass I - Lux et origo (in Easter season
  Eastertide
  Eastertide, or the Easter Season, or Paschal Time, is the period of fifty days from Easter Sunday to Pentecost Sunday.It is celebrated as a single joyful feast, indeed as the "great Lord's Day". Each Sunday of the season is treated as a Sunday of Easter, and, after the Sunday of the Resurrection,...
  
  )
• Mass II - Kyrie fons bonitatis (for solemnities
  Solemnity
  A Solemnity of the Roman Catholic Church is a principal holy day in the liturgical calendar, usually commemorating an event in the life of Jesus, his mother Mary, or other important saints. The observance begins with the vigil on the evening before the actual date of the feast...
  
  )
• Mass III - Kyrie Deus sempiterne (for solemnities)
• Mass IV - Cunctipotens Genitor Deus (for feasts of apostles)
• Mass V - Kyrie magnae Deus potentiae (for feasts)
• Mass VI - Kyrie Rex Genitor (for feasts)
• Mass VII - Kyrie Rex splendens (for feasts)
• Mass VIII - de Angelis (for feasts)
• Mass IX - Cum jubilo (for Marian solemnities and feasts)
• Mass X - Alme Pater (for Marian feasts and memorials)
• Mass XI - Orbis factor (for Sundays)
• Mass XII - Pater cuncta (for memorials)
• Mass XIII - Stelliferi Conditor orbis (for memorials)
• Mass XIV - Jesu Redemptor (for memorials)
• Mass XV - Dominator Deus (for weekdays
  Feria
  A feria was a day on which the people, especially the slaves, were not obliged to work, and on which there were no court sessions...
  
   in Christmas season)
• Mass XVI (for weekdays during Ordinary Time
  Ordinary Time
  Ordinary Time is a season of the Christian liturgical calendar, in particular the calendar of the Roman rite and related liturgical rites. The English name is intended to translate the Latin term Tempus per annum...
  
  )
• Mass XVII (for Sundays 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...
  
   and 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...
  
  )
• Mass XVIII - Deus Genitor alme (for weekdays in Advent and Lent)
• Credo I - VI
• Cantus ad libitum
  • Kyrie
  • Gloria
  • Sanctus
  • Agnus Dei