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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 · December 6, 2024

PDF Download • “Musical Outline” for the Feast of Our Lady’s Immaculate Conception

Rachmaninoff said: “Nine hours? That’s nothing. For a period of my life, I used to practice 17 hours a day.”

Jeff Ostrowski · December 4, 2024

“A Peculiar Discrepancy” • Immac. Concep. (8 Dec.)

Who can explain this?

Jeff Ostrowski · December 3, 2024

PDF Download • Pristine Scan: Father Mathias’ 1905 Kyriale Organ Accompaniment (186 pages)

Father Mathias served as organist for Strasburg Cathedral, where he founded the “Saint Leo Institute for Church Music” in 1913.

Jeff Ostrowski · December 2, 2024

“Promptly, Firmly, & Persistently Repressed.”

The book is called: “Cantica Sacra: Hymns for the children of the Catholic Church.”

Adam Raha · November 28, 2024

Saint John of the Cross • Arrested & Imprisoned By His Own Carmelite Brothers

Many years ago, I was very calmly trying to de-escalate a disagreement I was having with someone close to me…

Jeff Ostrowski · November 26, 2024

PDF Download • “Entrance Chant” for the Feast of the Immaculate Conception (8 December)

What is he talking about? Where can I go to hear these “aesthetically superior” interpretations? Where can they be found?

Corpus Christi Watershed · November 25, 2024

Bouyer on Liturgical Reform: “More intolerant and fussy than anything we’ve ever known.”

“Perhaps in no other area is there a greater distance between what the Council worked out and what we actually have.” —Professor Louis Bouyer

Jeff Ostrowski · November 20, 2024

PDF Download • “Entrance Chant” for this Coming Sunday (Christ the King) — 34th in Ordinary Time

Including three separate points on Dom Combe’s shameful and defamatory statement.

Corrinne May · November 19, 2024

“Imagine You’re Out of Rehearsal Time but Desperately Need a Hymn for Advent…”

“I had such fun recording the vocals for these rehearsal videos.” —Corrinne May

Jeff Ostrowski · November 19, 2024

“Reader Feedback” • 19 November 2024

“I’m currently gathering materials for a newly ordained priest…”

Jeff Ostrowski · November 18, 2024

High Resolution Scan • “Missale Romanum” (1857)

This rare missal from 1857 contains some musical notes.

Richard J. Clark · November 14, 2024

PDF Download • “Put Out into the Deep”

“His appointment was somewhat unexpected as he was installed as Bishop of Providence in May of 2023.” — Richard J. Clark

Veronica Moreno · November 13, 2024

PDF Download • “Polyphonic Enhancement” for the Lord’s Prayer (Mass in English)

As the congregation sings their part, the choir “enhances” them with polyphony. This is genius!

Jeff Ostrowski · November 12, 2024

PDF Download • “Entrance Chant” for this Coming Sunday (33rd Sunday in Ordinary Time)

The sixth mode is sometimes the “peaceful” mode.

Jeff Ostrowski · November 12, 2024

Internet Trolls + Cardinal Merry Del Val

We sometimes receive messages which…

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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

In the Orthodox Churches they have kept that pristine liturgy, so beautiful. We have lost a bit the sense of adoration. They keep, they praise God, they adore God, they sing, time doesn’t count. God is the center, and this is a richness …

— Pope Francis (8/2/2013)

Recent Posts

  • 💲 5.00 💵
  • 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.