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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

Articles

Jeff Ostrowski · February 7, 2020

“I’m hanging on every word.”—Catholic Organist Group

My friend, Richard J. Clark, sent me a screenshot from the “Catholic Organist Group.”

Jeff Ostrowski · February 7, 2020

When Choirs Prefer A “Real Voice” To Midi

Only an insane person would post this publicly—but I “fit the bill”…so here goes!

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Jeff Ostrowski · February 6, 2020

Short But Superb Film • “Westminster Choir Boys”

The resignation of Martin Baker was quite a shock to the Catholic world.

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Jeff Ostrowski · February 6, 2020

PDF Download • “What Makes A Good Hymn?”

Dr. Terry says: “The melody must be clearly defined, free from triviality and trite clichés, avoiding harmonies that are sugary or sensuous.”

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Jeff Ostrowski · February 5, 2020

Protected: 3rd edition • Saint Edmund Campion Missal

There is no excerpt because this is a protected post.

Dr. Lucas Tappan · February 4, 2020

The Institution as Formator (Part I)

Everyone is searching for a silver bullet. Perhaps it’s a certain education method, a special book or a technique. Standing somewhat in opposition to all of these various techniques and methods is the English choir school, where the director stands in front of the boys and says “that’s an A, now sing it!”

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Jeff Ostrowski · February 4, 2020

PDF Download • “Ave Maris Stella” (Organ Accompaniment)

The 2nd part has blank staves, so you can compose your own harmonies!

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Jeff Ostrowski · February 2, 2020

PDF Booklet • Feast of the Purification (2 February)

Better late than never, right?

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Jeff Ostrowski · January 31, 2020

A Traditional—But Bizarre!—Way To Assist At Mass

Just because I’m aware of something that happened in the past doesn’t mean I endorse it.

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Richard J. Clark · January 31, 2020

Two Reasons for Fewer Vocations

The marketing and commercialization of sacred music has had vastly mixed results, some positive, but some deleterious.

Andrea Leal · January 29, 2020

In Which a Neo-Pagan Converts

I could feel that this Glory was immense, and mysterious, and real. But I could not quite grasp what that meant for me or what I should even do about it.

Dr. Gregory Hamilton · January 28, 2020

“Performance” and the Liturgy.

I have sometimes been told that I was “performing” in the Liturgy, and this has made me think about the meaning of this term and why people say it…

Jeff Ostrowski · January 28, 2020

Photos! • Brébeuf Choral Supplement Has Arrived

The Brébeuf hymnal collection is now complete—and it’s truly revolutionary!

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Jeff Ostrowski · January 28, 2020

Pothier’s 1906 “De Caetero” Letter • 3 Translations

“The Catholic tradition cannot be that of any special school, either ancient or modern…” —Abbot Pothier

Andrew Leung · January 28, 2020

Mass with Masks Thumbnail

Mass with Masks in Hong Kong

I took a few pictures during our Sunday Mass…

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Corpus Christi Watershed

President’s Corner

    💲 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
    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

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

“After the Second Vatican Council, the impression arose that the pope really could do anything in liturgical matters, especially if he were acting on the mandate of an ecumenical council. Eventually, the idea of the givenness of the liturgy, the fact that one cannot do with it what one will, faded from the public consciousness of the West.”

— Joseph Cardinal Ratzinger

Recent Posts

  • “Reminder” — Month of Febr. (2026)
  • Seminary Music Directors Gather in Houston
  • 💲 5.00 💵
  • Dom Pothier • Photo from 1904
  • PDF Chart • “Plainsong Rhythm”

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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.