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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

Corpus Christi Watershed · July 2, 2019

“Keynote Address” • Sacred Music Symposium 2019

By Fr. James Fryar, FSSP—recorded live.

Dr. Lucas Tappan · July 1, 2019

St. Paul’s Choir School Appoints New Director of Music

James Kennerley’s “rehearsal with the men and boys was brilliant as is his organ playing.”

Dr. Lucas Tappan · June 25, 2019

In Search of the Deeper Meaning

I have heard it said that magic shows up at every concert but usually goes home disappointed.

Veronica Moreno · June 21, 2019

When “Textbooks” Don’t Cut It

This routine has taken years to establish.

Jeff Ostrowski · June 19, 2019

Symposium Booklets Have Arrived!

Anyone can write articles saying: “Church music must improve”—but actually getting one’s hands dirty? That’s different…

Dr. Lucas Tappan · June 18, 2019

Fr. Finn and the Catholic Choral Tradition in America

Nevertheless, we have had, and quite frankly still have, a number of fine choirs, conductors and organists that I would place on par and even above our European brethren.

Corpus Christi Watershed · June 17, 2019

Professional Photographs • Saint Isaac Jogues Missal

This pew Lectionary & Missal is changing the way Catholics experience the Ordinary Form.

Fr. David Friel · June 16, 2019

Solemn Novena for Our Lady of Mt. Carmel

This year’s preacher will be Fr. James Gordon, F.S.S.P.

Veronica Moreno · June 14, 2019

Homeschooling (And Sacred Music) Snuck Up On Us

In this way, we keep the faith alive at the kitchen table and at the altar.

Jeff Ostrowski · June 12, 2019

PDF Download • Symposium Booklet (159 pages)

…probably unlike any musical booklet you’ve come across!

Jeff Ostrowski · June 11, 2019

Secrets Revealed

…perhaps more slowly than one would prefer, but finally the secret is beginning to leak!

Jeff Ostrowski · June 10, 2019

PDF Download • Vespers Organ Accompaniments

Do you understand why some of the harmonies are blank?

Fr. David Friel · June 9, 2019

The Magnificat Institute of Sacred Music

A new undertaking of composer Paul Jernberg

Veronica Brandt · June 8, 2019

Shortcuts with GrandOrgue

Setting up keyboard shortcuts to setting the stops on a virtual pipe organ using the free software GrandOrgue.

Jeff Ostrowski · June 7, 2019

Where Did “Do-Re-Mi” Come From?

A concise and clear explanation from a 1957 book…

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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

“No living writer possesses a greater command over the English language than Msgr. Knox, but in this instance one cannot help feeling that he has allowed his virtuosity to get the better of him, and, in his anxiety to shield the holy of holies from vulgar intrusion, produced a text that would either pass over the listener’s head as completely as the original Latin, or else leave him groping so long after the meaning that he would be quite unable to keep pace with the officiating priest.”

— Dr. Herbert Patrick Reginald Finberg (University of Leicester)

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.