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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

PDF Download

Jeff Ostrowski · May 2, 2025

Communion (3rd Sunday of Easter)

This piece is sung by either all men or all women.

Corpus Christi Watershed · May 1, 2025

Antiphons Don’t Match?

The short answer is: the “Adalbert Propers” were never intended to be sung.

Corpus Christi Watershed · April 30, 2025

Dramatic & Spectacular Testimonies from Last Year’s Sacred Music Symposium

“I had to stop singing for a moment while trying not to cry.” —2023 Participant

Jeff Ostrowski · April 29, 2025

“Entrance Chant” • 3rd Sunday of Easter

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · April 18, 2025

“Music List” • Easter Sunday

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · April 15, 2025

PDF Download • Exceedingly Rare! — “The Torn Tunic” (122 pages) … published in 1967

Is Tito Casini correct that vernacular plainsong is a “sin against nature?”

Jeff Ostrowski · April 13, 2025

PDF Download • “Easter Sunday Introit”

In accordance with the official edition.

Jeff Ostrowski · April 12, 2025

“Music List” • Holy Thursday

Readers have expressed interest in examining the “music list” I prepared for Maundy Thursday.

Jeff Ostrowski · April 11, 2025

PDF Download • “Communion” (Holy Thursday)

Its verses are quite beautiful.

Jeff Ostrowski · April 10, 2025

“Ubi Caritas” • Knox Translation (1950s)

What a treasure!

Jeff Ostrowski · April 10, 2025

“Music List” • Palm Sunday

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · April 9, 2025

PDF Download • “Offertory” (Palm Sunday)

Some believe that “joyful” texts sound happy in Gregorian Chant and “sad” texts sound mournful.

Jeff Ostrowski · April 8, 2025

“And the Chief Priests…” (Palm Sunday)

“And the chief priests made a plot against Lazarus’ life too…”

Jeff Ostrowski · April 5, 2025

“Music List” • 5th Sunday of Lent

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · April 5, 2025

Best-Kept “Secret” of Church Music?

Some have called it that.

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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

The old Roman rite had the offering by the people and then, as offertory-prayer, what we call the “Secret.” The name “Secreta” means that it was said in a low voice, because the offertory-psalm was being sung. For the same reason it is not preceded by “Oremus.”

— Father Adrian Fortescue

Recent Posts

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  • Dom Pothier • Photo from 1904

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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.