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Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”

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Views from the Choir Loft

The “O Antiphons” Begin Tonight

Andrew Leung · December 17, 2015

CTL O Antiphons ODAY IS DECEMBER 17. It is seven days before Christmas Eve. Today is the day that Advent gets even more intense. The Church have chosen special Antiphons and Readings for the coming week to help us prepare the coming of Christ. The “O Antiphons“ are a set of antiphons for Vespers that is prayed during the coming seven days.

The reason why they are called the “O Antiphons“ is because each of them start with the letter “O”. In the Liber Usualis, they are called the “Great Antiphons”. They were mentioned in the 6th century and they were used in Rome by the 8th century. The texts of these antiphons are from the Old Testament Prophetic and Wisdom Books. These antiphons are recited or sung before and after the Magnificat, or the Canticle of Mary. Each of the antiphons begins by calling out a title of Christ:

O Sapientia………….O Wisdom

O Adonai……………..O Lord

O Radix Jesse………O Root of Jesse

O Clavis David……..O Key of David

O Oriens……………..O Dayspring/Dawn

O Rex Gentium…….O King of Nations

O Emmanuel………..O Emmanuel (God is with us)

There is a very cool fact about these titles. If you take the first letters of each titles and spell out from the last one, you will get: “EROCRAS”. And the Latin words “ero cras” means “I will be (there) tomorrow”. Here are the pages of the Great Antiphons from the Liber Usualis (Solesmes 1957) with English translations:

    * *  PDF • THE GREAT ANTIPHONS OF ADVENT

CTL James MacMillan OWADAYS, many of us still sing the “O Antiphons” in Advent, just in a different setting. The text of the famous Advent hymn, O Come, O Come Emmanuel, is from the Great Antiphons. And actually, Jeff Ostrowski just wrote about the Original Setting of the Tune yesterday.

As I was searching through other pieces that are related to the Great Antiphons, I found this Percussion Concerto below. The concerto, “Veni, Veni, Emmanuel“, was composed by Sir James MacMillan, a leading composer who have just been named Catholic of the Year by the Catholic Herald magazine. He has written music for Pope Benedict’s visit to England in 2010 and he has been commissioned recently to write a work for Shrine of Fátima’s centenary which will be attended by Pope Francis. James MacMillan is also the founder of Musica Sacra Scotland, an organization that promotes Gregorian Chant in Scotland.

The Scottish composer took the tune of the hymn as the theme of his work. It is a very interesting and intense piece! It is a non-liturgical piece. But one can listen to it and meditate on Mary and Joseph’s intense and difficult trip right before the birth of our Lord.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Last Updated: January 1, 2020

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About Andrew Leung

Andrew Leung currently serves the music director of Vox Antiqua, conductor of the Cecilian Singers, and music director at Our Lady of China Church.—(Read full biography).

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President’s Corner

    Dom Pothier • Photo from 1904
    Dom Paul Cagin, in a 1904 publication (L’oeuvre de Solesmes dans la restauration du chant grégorien) made sure to include a beautiful image of Dom Pothier, the legendary abbot of St-Wandrille. Also shown is a very young Dom André Mocquereau. Auguste Pécoul—considered the spiritual “son” of Abbat Prosper Guéranger of Solesmes—wrote as follows on 24 June 1901: “To forestall any confusion, let us remember that there is just one Gregorian notation—that restored, according to the ancient manuscripts, by the eminent Abbot of Saint-Wandrille, Dom Pothier.” ✠
    —Jeff Ostrowski
    PDF • “3-Voice Motet” (Father De Laet)
    I believe 99% of our readers will recognize this hymn tune. Perhaps Father Edgard De Laet should have called it a ‘hymn’ instead of a ‘motet for three voices’—but he’s technically correct, since MOTET is defined as: “a short piece of sacred choral music, typically polyphonic and unaccompanied.” The even verses are for three voices, as you will see if you download the PDF score at #20245. The odd verses may be song a cappella SATB or unison with organ.
    —Jeff Ostrowski
    PDF Download • “Hymn for 2 Voices”
    Readers who click on this video will see that it starts with verses of the “Pange Lingua” hymn by Saint Thomas Aquinas (d. 1274) arranged for two voices. However, there’s a polyphonic refrain (“Tantum Ergo”) for three voices, taken from Kevin Allen’s Motecta Trium Vocum. If your choir is very small, this piece is for you! You can download the PDF score free of charge—and you can also utilize the rehearsal videos for each individual voice—by navigating yourself to #20323.
    —Jeff Ostrowski

Quick Thoughts

    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    “Reminder” — Month of January (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

Giovanni Doni is known for having changed the name of note “Ut,” renaming it “Do.” He convinced his contemporaries to make the change by arguing that 1) “Do” is easier to pronounce than “Ut,” and 2) “Do” is an abbreviation for “Dominus,” the Latin word for the Lord, Who is the tonic and root of the world. There is much academic speculation that Giovanni Doni also wanted to imprint himself into musical canon in perpetuity because “Do” is also ulteriorly an abbreviation for his family name.

— Giovanni Battista Doni died in 1647AD

Recent Posts

  • Dom Pothier • Photo from 1904
  • PDF Chart • “Plainsong Rhythm”
  • PDF • “3-Voice Motet” (Father De Laet)
  • PDF Download • “Hymn for 2 Voices”
  • (January 2026) • “Children Singing Plainsong”

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