Liber Usualis

Liber Usualis Traditional Catholic Book of Gregorian Chant: St.

Gregorian chant had a significant impact on the development of medieval and Renaissance music. Modern staff notation developed directly from Gregorian neumes. The square notation that had been devised for plainchant was borrowed and adapted for other kinds of music.

the Book of Hours (containing the Divine Office and, generally, the deacon's part of the Liturgy), the Book of Canticles (containing the hymns of the Office), the Mashdotz, or Ritual (containing the rites of the sacraments).

Gregorian chant is also called plainchant. It is music that is monophonic, which means a melody of one note at a time. Gregorian chant began during the Middle Ages in Europe, which refers to the period from about the 5th century to the 15th century. It was music of the Catholic Church, so it was ceremonial in purpose.

Based on the cadence of the human breath, Gregorian chant creates an impression of space and of time standing still, which helps the mind focus, reduces stress, and lowers blood pressure, making it a beneficial tool for both work and meditation.

The Vatican II calls for Catholic liturgical music to consist of four types of sacred music: (a) Gregorian Chant, (b) Sacred Polyphony in its various forms, (c) Sacred music for the Organ and other approved instruments, (d) Sacred popular music approved by the Church.

A liturgical book, or service book, is a book published by the authority of a church body that contains the text and directions for the liturgy of its official religious services. Manuscript of the Introit of the Mass (Florence, Italy).

Gregorian chant is the central tradition of Western plainsong or plainchant, a form of monophonic, unaccompanied sacred song of the Roman Catholic Church. The Gregorian chant had as its purpose the praise and service of God.

Although Gregorian chant is no longer obligatory, the Roman Catholic Church still officially considers it the music most suitable for worship.

Alan Watkins, a neuroscientist at Imperial College of London, has shown that the Gregorian Chant can lower blood pressure and help reduce anxiety and depression. A 2012 study from the University of São Paulo School of Nursing discovered that Gregorian chant helped reduce anxiety for mothers with hospitalized children.

liturgical music, also called church music, music written for performance in a religious rite of worship. The term is most commonly associated with the Christian tradition.

In the Roman Rite, the Mass is made up of two principal parts: the Liturgy of the Word and the Liturgy of the Eucharist.