Conditor alme siderum

A cosmic kaleidoscope

Conditor alme siderum (Latin for "Creator of the Stars of Night") is a traditional Advent hymn in the Roman Catholic Church. It is sung during the Liturgy of the Hours and is particularly associated with the season of Advent.

History

The hymn dates back to the 7th century and is attributed to an unknown author. It was originally written in Latin and has been a part of the Roman Breviary since the time of Pope Urban VIII, who revised the text in the 17th century. The hymn is a plea for the coming of the Messiah and reflects the themes of anticipation and preparation that characterize the Advent season.

Text

The original Latin text of Conditor alme siderum has undergone several revisions over the centuries. The most well-known version is the one revised by Pope Urban VIII in 1632. The hymn consists of several stanzas, each invoking the Creator and asking for His light to shine upon the faithful.

Melody

The melody of Conditor alme siderum is plainchant, which is a form of Gregorian chant. The simple and solemn tune complements the reflective nature of the Advent season. The hymn is typically sung in unison without instrumental accompaniment, in keeping with the tradition of Gregorian chant.

Liturgical Use

Conditor alme siderum is traditionally sung during the Liturgy of the Hours, specifically at Vespers (Evening Prayer) during the Advent season. It is also used in various Advent services and can be found in many modern hymnals.

Modern Adaptations

In addition to its traditional plainchant setting, Conditor alme siderum has been adapted by various composers over the centuries. These adaptations range from simple harmonizations to elaborate choral arrangements. The hymn continues to be a popular choice for Advent services and concerts.

See also

• Advent
• Liturgy of the Hours
• Gregorian chant
• Roman Breviary
• Pope Urban VIII