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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 · October 10, 2021

A Puzzling Assertion by Bishop Arthur Roche (Congregation for Divine Worship)

Is backroom bowdlerization of Sacred Scripture truly irreversible?

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Jeff Ostrowski · October 5, 2021

Two Hymns Loved By Everyone … Except Purists!

Fulton J. Sheen: “In those days there were no scandal columns, but there were scandalmongers.”

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Jeff Ostrowski · October 5, 2021

What Can Be Done With Only Two Cantors?

What do you do for Quinceañera Masses, Anniversary Masses, Funerals, and Birthday Masses?

Jeff Ostrowski · October 1, 2021

Brave Schola Director Posts Live Recording

This is a beautiful melody worth learning, worth singing, and worthy of the temple.

Jeff Ostrowski · October 1, 2021

Where do Catholics find hymns?

The wonderful Sophia Institute Press has begun a “Q+A” section which tackles common liturgical questions, and here’s a sample: “At a conference I recently attended, the speaker said hymns don’t belong at Mass; was he telling the truth?” And you can read the answer. To access the complete set (which is a work in progress), […]

Jeff Ostrowski · September 28, 2021

28 September 2021 • FEEDBACK

From a reader: “I have read the pages explaining the Blessed Sacrament in the Brébeuf hymnal and plan on continuing to contemplate them. Moreover, the Christ the King Hymn is beautifully sung on the recording you posted (to the Watershed blog), and I wish my church would sing these hymns instead of modern ones from […]

Jeff Ostrowski · September 28, 2021

PDF Download • “Can A Hymnal Be Too Catholic?”

Can Protestant translations be dangerous? This paper presents items worth considering.

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Jeff Ostrowski · September 28, 2021

“Catholic Sensibility” • What Makes A Hymnal Catholic?

I personally find the following pairings (hymn text + hymn melody) to be reprehensible…

Jeff Ostrowski · September 28, 2021

Gregorian Chant • Prayer to Saint Michael the Archangel

From a rare book of Franciscan chants (1902)

Jeff Ostrowski · September 27, 2021

New CD release from the FSSP in Europe!

Christmas Matins from Bavaria…

Jeff Ostrowski · September 26, 2021

“Salve Regina” • Organ Accompaniment

Readers already realize that seventeen (17) splendid organ accompaniments for the simple “Salve Regina” can be freely and conveniently downloaded here. But what about the solemn tone for the “Salve Regina”—has anyone composed an organ accompaniment for that? Yes, Canon Jules Van Nuffel has composed one for the solemn version.

Jeff Ostrowski · September 24, 2021

“Easy Polyphonic Agnus Dei” • Part 3 of 3

The ability of your singers to sight-read music instantly does not guarantee a good performance.

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Jeff Ostrowski · September 24, 2021

“A Tale Of Two Missals”

Sometimes words are superfluous. Sometimes no commentary is needed. If you look at this Tale of Two Missals (PDF)—which compares the Canon from the “Modern” ICEL Missal with a “Dark Ages” Missal, I think you will understand exactly what I’m getting at.

Jeff Ostrowski · September 23, 2021

23 September 2021 • FEEDBACK

From a reader: “Corpus Christi Watershed is the greatest musical organization ever created in the Church!”

Jeff Ostrowski · September 21, 2021

Church “Narthex” • What’s that?

Do you know what the church narthex is? It’s kind of like a separate room, blocked off by a wall. A buddy of mine (sitting in the narthex) took some iPhone recordings of our congregation singing Vespers. Here’s how they sound sans organ. [Note: Whenever I play for Vespers, I make sure to have some […]

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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

    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

“I have devoted myself too much, I think, to Bach, to Mozart and to Liszt. I wish now that I could emancipate myself from them. Schumann is no use to me any more, Beethoven only with an effort and strict selection. Chopin has attracted and repelled me all my life; and I have heard his music too often—prostituted, profaned, vulgarized … I do not know what to choose for a new repertory!”

— Ferruccio Busoni (to a colleague in 1922, when he was 56 years old)

Recent Posts

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

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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.