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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

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

Jeff Ostrowski · March 2, 2022

Does Your Musical Program Have Balance?

What I’ve labeled “musical diversity” could also be thought of as “balance.”

Jeff Ostrowski · February 27, 2022

PDF Download • Quinquagesima Vespers

I created a booklet for my choir. (The congregation already has their own booklet). This booklet is for Quinquagesima Vespers, and you can download it if you desire. Print on “double sided” and the booklet will come out correctly. The polyphonic Magnificat is not included in that booklet, since the choir members have it in […]

Jeff Ostrowski · February 26, 2022

FEEDBACK • 25 February 2022

We love receiving mail from our readers. Here are two messages we received today from two different music directors in Canada: (1) “We are a small Schola in Yukon, Canada and love your practice videos repertoire.” (2) “Thank you so much for the indispensable work that you are doing to rebuild the musical life of […]

Jeff Ostrowski · February 26, 2022

PDF Download • Missa Philomena (Philippe Verdelot)

This music is from a much earlier period; and you can tell.

Jeff Ostrowski · February 26, 2022

“Common” Hymn Tunes? • Another Example

The first text is for the “pre-Lent” season…

Jeff Ostrowski · February 24, 2022

Cardinal Cupich’s Diocese • “What Mass Looks Like”

The “primary cross” for most young men has to do with temptations against the 6th Commandment.

Jeff Ostrowski · February 22, 2022

PDF Download • No More OCP “Breaking Bread”

This powerful response—by a Catholic priest—is without question one of the most fascinating things I’ve ever read.

Jeff Ostrowski · February 19, 2022

A Fugue that “explains” itself

One of my choir members sent me this Ontological Fugue. If you can get past the performance—which is terrible (perhaps on purpose)—you will learn an awful lot about fugues. In my opinion, whoever created that score is a genius! It would be awesome to know from a professional theorist, such as Charles Weaver, whether they […]

Jeff Ostrowski · February 18, 2022

Eucharistic Hymn • By a Jesuit Martyr Priest

English has words whose meanings directly contradict each other (such as “cleave” or “sanction”).

Jeff Ostrowski · February 16, 2022

Sound superb! … with just 2 minutes of rehearsal

I’m someone who harbors an irrational fear of anything I’m not familiar with.

Jeff Ostrowski · February 13, 2022

“Alleluia” • Gone For Good?

Two days ago, Bishop Ronald Fabbro of London (Ontario) released a rigid decree. Much could be said, but let’s take just one item. Bishop Fabbro demands that everyone adhere to “the celebration of Mass as found in the new Roman Missal (2011).” Then, in the very next sentence, he rigidly demands that all priests celebrate […]

Jeff Ostrowski · February 12, 2022

Attention! • “15,283 Signatures … More Needed”

I’m generally against online petitions, but here’s the thing…

Jeff Ostrowski · February 11, 2022

Breaking! • Bishop Lobsinger Forbids Spanish and French (for Confession & Last Rites)

Spanish may no longer be used (starting 3/6/2022) for the Sacrament of Confession or the Last Rites.

Jeff Ostrowski · February 8, 2022

Ruth Slenczynska & “Traditionis Custodes”

Bishop Arthur Roche recently sent out puzzling instructions which encourage “Ordinary Form” Catholics to ostracize and belittle those who prefer the Traditional Mass.

Jeff Ostrowski · February 7, 2022

Fr. Fortescue • “Sequences”

Originally, the Sequence began as farcing of the long neum at the end of the ALLELUIA (the “jubilus”), as did the alleluiatic verse. This does not mean that all the notes of our sequences were originally neums of a jubilus; but once the idea was admitted, numberless sequences were composed and added at this point. […]

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Corpus Christi Watershed

President’s Corner

    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
    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

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

Thus in 1905 the Vatican Kyriale appeared with rhythmic signs and the following legend: “Præsens exemplar, rhythmicis signis a Solesmensibus monachis ornatum, typicae Vaticanæ editioni de cætero plane conforme repertum est.” (This copy, provided with rhythmic signs by the monks of Solesmes, completely agrees in every other respect with the Vatican original.)

— Dom Gregory Hügle, OSB

Recent Posts

  • Heretical Hymns
  • Alphabetizing Hymn Titles Inside Hymnals • “Does This Make Any Sense?”
  • Fulton J. Sheen • “24-Hour Catechism”
  • “Reminder” — Month of Febr. (2026)
  • Seminary Music Directors Gather in Houston

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