Church music

Alternatim refers to a technique of liturgical musical performance, especially in relationship to the Organ 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.

The proper (Latin: proprium) 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.

A chorale is a melody to which a hymn is sung by a congregation in a German Protestant Church service.

A credo (pronounced [ˈkɾeːdoː], Latin for "I Believe") is a statement of religious belief, such as the Apostles' Creed.

The Sanctus (Latin: Sanctus, "Holy") is a hymn from Chalcedonian Christian liturgy.

Church music is music written for performance in church, or any musical setting of ecclesiastical liturgy, or music set to words expressing propositions of a sacred nature, such as a hymn.

The Mass (Latin: Missa), a form of sacred musical composition, is a choral composition that sets the invariable portions of the Eucharistic liturgy (principally that of the Catholic Church, the Anglican Communion, and Lutheranism) to music.

The Magnificat (Latin: [My soul] magnifies [the Lord]), also known as the Song of Mary, the Canticle of Mary, and, in the Byzantine tradition, the Ode of the Theotokos (Greek: Ἡ ᾨδὴ τῆς Θεοτόκου), is a canticle frequently sung or spoken liturgically in Christian church services.

A sequence (Latin: sequentia) is a chant or hymn sung or recited during the liturgical celebration of the Eucharist for many Christian denominations, before the proclamation of the Gospel.

Marian hymns are Christian songs focused on the Virgin Mary.

The Improperia are a series of antiphons and responses, expressing the remonstrance of Jesus Christ with His people.

Tenebrae (Latin for "shadows" or "darkness") is a Christian religious service celebrated in the Holy Week within Western Christianity, on the evening before or early morning of Maundy Thursday, Good Friday, and Holy Saturday.

Gregorian chant is the central tradition of Western plainchant, a form of monophonic, unaccompanied sacred song of the western Roman Catholic Church.

Veni, Creator Spiritus ("Come Creator Spirit") is a hymn believed to have been written by Rabanus Maurus in the 9th century.

The Salve Regina (from Latin: Hail Queen), also known as the Hail Holy Queen, is a Marian hymn and one of four Marian antiphons sung at different seasons within the Christian liturgical calendar of the Catholic Church.

Tantum Ergo is the incipit of the last two verses of Pange Lingua, a Medieval Latin hymn written by St Thomas Aquinas c.

A sticheron (Greek: στιχηρόν "set in verses"; plural: stichera; Greek: στιχηρά) is a hymn of a particular genre that has to be sung during the morning (Orthros) and evening service (Hesperinos) of the Orthodox Church and those Eastern Catholic Churches which follow the Byzantine Rite.

Veni Sancte Spiritus, sometimes called the "Golden Sequence," is a sequence prescribed in the Roman Liturgy for the Masses of Pentecost and its octave, exclusive of the following Sunday.