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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

PDF Download • Kyrie “O Magnum Mysterium”

Jeff Ostrowski · December 18, 2017

ACK in 2015, I created individual rehearsal videos for “O Magnum Mysterium,” and tens of thousands have downloaded them. But the season of Christmas is often short, and that motet can’t be sung at other times of the year. Can we keep singing it? Well, let’s remember that—twenty years after composing “O Magnum Mysterium”—Fr. Tomás Luis de Victoria wrote an entire Mass based on that motet. In my opinion, this setting fits the Sundays after Epiphany well.

Earlier today, I recorded the KYRIE (#3595).

But please pardon my screechy soprano notes!

REHEARSAL VIDEOS for each individual voice await you at #3595.

Download the PDF by following the #3595 link provided above.

Did you notice how Victoria adds variety?

First Point of Imitation: Soprano, Alto, Tenor Bass

Second Point of Imitation: Bass, Tenor, Alto, Soprano

Final Point of Imitation: Tenor, Soprano, Alto, Bass

Something to which we dedicated much time in musicology graduate school was “text underlay.” This incredibly complex subject becomes even more so when we understand that printers sometimes changed the composer’s underlay. Examining the original part books, 1 we often see the underlay as “Ky-rie”—and some have argued that it was pronounced as two syllables. I took this into consideration toward the end of the piece.

We will probably do a Mass by Victoria at the Sacred Music Symposium this coming June, but at this time nothing official has been released.



NOTES FROM THIS ARTICLE:

1   I really hope you’ll download the PDF, because I included an example from 1592AD.

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

Filed Under: Articles, PDF Download Last Updated: January 1, 2020

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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

    “To Cover Sin With Smooth Names”
    Monsignor Ronald Knox created several English translations of the PSALTER at the request of the Cardinal Archbishop of Westminster. Readers know that the third edition of the Saint Edmund Campion Missal uses a magnificent translation of the ROMAN CANON (and complete Ordo Missae) created in 1950 by Monsignor Knox. What’s interesting is that, when psalms are used as part of the Ordo Missae, he doesn’t simply copy and paste from his other translations. Consider the beautiful turn of phrase he adds to Psalm 140 (which the celebrant prays as he incenses crucifix, relics, and altar): “Lord, set a guard on my mouth, a barrier to fence in my lips, lest my heart turn to thoughts of evil, to cover sin with smooth names.” The 3rd edition of the CAMPION MISSAL is sleek; it fits easily in one’s hand. The print quality is beyond gorgeous. One must see it to believe it! You owe it to yourself—at a minimum—to examine these sample pages from the full-color section.
    —Jeff Ostrowski
    Heretical Hymns
    As a public service, perhaps a theologian ought to begin assembling a heretical hymns collection. A liturgical book—for funerals!—published by the Collegeville Press contains this monstrosity by someone named “Delores Dufner.” I can’t tell what the lyrics are trying to convey—can you? I detest ‘hymns’ with lines such the one she came up with: “Let the thirsty come and drink, Share My wine and bread.” Somehow, the publication was granted an IMPRIMATUR by Most Rev’d Jerome Hanus (bishop of Saint Cloud) on 16 August 1989. It’s a nice tune, but paired with a nasty text!
    —Jeff Ostrowski
    💲 5.00 💵
    Our tiny 501(c)3 nonprofit organization exists solely by generous readers who donate $5.00 per month. We have no endowment; we have no major donors; we run no advertisements; we have no savings. A donor wrote to us: “I so appreciate all you do and have done, and your generosity is unprecedented. I am honored to be able to make a monthly contribution.” Another monthly donor says: “Thank you for everything CC Watershed does. We are able to add so much solemnity to Holy Mass due to the resources made available here.” Can you spare a few dollars each month to help us survive?
    —Corpus Christi Watershed

Quick Thoughts

    “Reminder” — Month of Febr. (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. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    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
    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

“Gerard Manley Hopkins once argued that most people drank more liquids than they really needed and bet that he could go without drinking for a week. He persisted until his tongue was black and he collapsed at drill.”

— A biography of Fr. Gerard M. Hopkins (d. 1889)

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  • Fulton J. Sheen • “24-Hour Catechism”
  • “Reminder” — Month of Febr. (2026)

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Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.