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Corpus Christi Watershed

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

“O Magnum Mysterium” • Do You Sing This?

Jeff Ostrowski · January 12, 2024

HERE’S A WONDERFUL expression in English: “He can’t see the forest for the trees.” Some—by focusing on details to the exclusion of everything else—end up looking ridiculous. For example, ROBERT F. KENNEDY was born into privilege. When he was a youngster he wanted to “work,” so he got a job delivering newspapers. The only problem is that he used the family chauffeur (!) and Rolls-Royce to deliver the papers. Readers are probably aware that many “trad influencers” often can’t see the forest for the trees when it comes to the sacred liturgy. By spreading false statements about the pre-conciliar liturgy, they often—in my humble opinion—do enormous harm to the so-called TRADITIONAL MOVEMENT. This disturbs me greatly. I believe the Extraordinary Form is extremely important because it emphasizes the continuity of the Catholic Church.

Sacred Liturgy • We sometimes encounter internet folks who insist that “everything before 1954 was absolutely perfect and can’t be improved.” Their minds are made up; it’s pointless to try to persuade them. In reality, however, numerous feasts were added to the liturgical calendar since TRENT which (arguably) should not have been. Especially painful were feasts that “replaced” or “annihilated” feasts whose propers went back at least 1,700 years. One could easily write numerous lengthy dissertations on feasts which have been modified, especially vis-à-vis the seasons of Christmas and Epiphany. Readers can get a ‘hint’ about how complicated these matters are by downloading a special chart created back in 2021.

O MAGNUM MYSTERIUM • The motet “O Magnum Mysterium” by Father Tomás Luis de Victoria (d. 1611) is world famous—and deserves to be. Abbat Joseph Pothier published a plainsong edition in the 1890s. Despite what some claim, this motet is appropriate throughout the season of Epiphany (which originally encompassed the our Savior’s nativity).

Submit Your Version • Do you sing this motet? If so, please send us a recording by your choir and we’ll post it! The following is a ‘live’ recording by my volunteer choir, sung a few weeks ago during Christmas Midnight Mass:

Here’s the direct URL link.

I created individual rehearsal tracks for each voice at #3792.

*  Mp3 Download • Live Recording (14 Jan 2024)

Season of the Epiphany • The readings after Christmas—that is to say, during EPIPHANYTIDE—talk about the events in the early life of our Lord: the naming of Jesus; His Baptism at the River Jordan; the finding in the temple; the Wedding at Cana; and so forth. The following hymn honors the HOLY NAME of our Savior:

To access this hymn’s media in the Brébeuf Portal, click here.

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

Filed Under: Articles Tagged With: Council of Trent, Epiphanytide, Feast of the Holy Family, Feast of the Holy Name, Season of Christmastide, Tomas Luis de Victoria Composer, Tomas Luis Vittoria composer Last Updated: January 18, 2024

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About Jeff Ostrowski

Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He resides with his wife and children in Michigan. —(Read full biography).

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Corpus Christi Watershed

President’s Corner

    “Entrance Chant” • 23rd (Ordinary Time)
    This coming Sunday, 7 September 2025, is the 23rd Sunday in Ordinary Time (Year C). You can download the “Entrance Chant,” conveniently located at the feasts website. I also recorded a rehearsal video for it (freely available at the same website). The Communion Chant includes gorgeous verses in FAUXBOURDON. I attempted to create a rehearsal video for it, and it’s been posted at the feasts website, called by some: “church music’s best kept secret.”
    —Jeff Ostrowski
    PDF Download • 3 September
    According to the MISSALE RECENS, the Feast of Saint Gregory the Great occurs on 3 September (the date Gregory became pope). Formerly, his feast was celebrated during Lent, on 12 March (the day Gregory died). In Latin, the feast is: Die 3 Septembris: S. Gregorii Magni, papæ et Ecclesiæ doctoris. you can download the Latin Introit, the Latin Offertory, as well as the Communion with gorgeous fauxbordon in English. Abbat Joseph Pothier—along with Dom André Mocquereau, Bishop Laurent Janssens, Father De Santi, and other Gregorian superstars—sang with a choir of 1,210 voices (from 36 different Roman colleges) under the direction of Monsignor Antonio Rella. That Mass included the “Alma cohors,” a special SEQUENCE for Saint Gregory…much to the dismay of those who believe in strict adherence to rubrics. The Mass on 11 April 1904 was celebrated by Pope Saint Pius X, at the great GREGORIAN CONGRESS held in Rome “to mark the 13th Centenary of the death of Saint Gregory the Great.” Someday, there’s much I’d love to say about this congress. We even have recordings (!) from it (made in 1904 by the Gramophone Company) with choirs conducted by Dom Pothier, Dom Mocquereau, Dom Janssens, Monsignor Rella, Baron Kanzler, and others.
    —Jeff Ostrowski
    New Bulletin Article • “7 September 2025”
    My pastor requested that I write short articles each week for our parish bulletin. Those responsible for preparing similar write-ups may find a bit of inspiration in these brief columns. The latest article is called: “Professor Bouyer’s Regret.”
    —Jeff Ostrowski

Quick Thoughts

    Solemn “Salve Regina” (Chant)
    How many “S” words can you think of using alliteration? How about Schwann Solemn Salve Score? You can download the SOLEMN SALVE REGINA in Gregorian Chant. The notation follows the official rhythm (EDITIO VATICANA). Canon Jules Van Nuffel, choirmaster of the Cathedral of Saint Rumbold, composed this accompaniment for it (although some feel it isn’t his best work).
    —Corpus Christi Watershed
    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “Hybrid” Chant Notation?
    Over the years, many have tried to ‘simplify’ plainsong notation. The O’Fallon Propers attempted to simplify the notation—but ended up making matters worse. Dr. Karl Weinmann tried to do the same in the time of Pope Saint Pius X by replacing each porrectus. You can examine a specimen from his edition and see whether you agree he complicated matters. In particular, look at what he did with éxsules fílii Hévae.
    —Corpus Christi Watershed

Random Quote

“We being many are one bread and one body, All who share the one bread and one cup. Vs. Thou hast prepared of thy sweetness for the poor, O God, who makest us to dwell in one mind in thy house. All who share the one bread and one cup.”

— Responsory (Matins for Corpus Christi) transl. by Fortescue

Recent Posts

  • “Entrance Chant” • 23rd (Ordinary Time)
  • Weird Liturgical Kalendar …
  • Is ‘Chant’ a Generic Word for ‘Sing’ ? • No!
  • Catholic College (2025) Sings Vespers in SATB
  • PDF Download • 3 September

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