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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

CCWatershed Feedback

Corpus Christi Watershed · November 5, 2025

“Reader Feedback” • 5 November 2025

“Although I don’t have much to offer, I want to be able to offer something for the great work you do!”

Jeff Ostrowski · April 7, 2025

“Reader Feedback” • 7 April 2025

A reader in Poland writes…

Corpus Christi Watershed · March 28, 2025

“From A Priest” • Reader Feedback (28 March 2025)

“I grew up in an Italian-American family.” —Feedback from a priest.

Corpus Christi Watershed · March 22, 2025

“Reader Feedback” • 22 March 2025

Remember: “Misery loves company!”

Corpus Christi Watershed · March 14, 2025

Reader Feedback • “Reform of the Reform”

“Throughout those 40+ years, I designed the music liturgy according to my sense of entertainment, failing to realise what it was supposed to be until much later.” —Chad H.

Jeff Ostrowski · February 11, 2025

“Reader Feedback” • 11 February 2025

A priest serving in Washington D.C. writes to us…

Corpus Christi Watershed · February 7, 2025

“Win or Lose, a Fight Worth Fighting!” • (Email Received from a Priest)

We owe a tremendous debt of gratitude to Jeffrey Tucker, who prevented a non-Christian company from securing a monopoly on the (mandatory) English psalm translation!

Corpus Christi Watershed · February 3, 2025

“Jeff, Your Assertions Are False and Misleading”

“This is a false assertion: one I’ve never heard, read about, or heard organ builders discuss.” —Kyle H.

Corpus Christi Watershed · January 30, 2025

Reader Feedback • Re: “Simplified” Music (Part 2)

“I haven’t been doing parish music that long—only about 3 years at this point.” —Celeste M.

Corpus Christi Watershed · January 24, 2025

Reader Feedback • Re: “Simplified” Organ Music

I’ve lived through various pendulum swings: the “Glory and Praise” phase; the “hymn sandwich” phase; and the “baroque tracker organ” phase.

Corpus Christi Watershed · January 11, 2025

When Does “Christmas” End?

“I believe (though I could be wrong) the USCCB website is correct and Jeff is wrong.” —Father J. Haley

Corpus Christi Watershed · January 6, 2025

“Reader Feedback” • 6 January 2025

“Thank you so much for all of your tireless and selfless work…”

Jeff Ostrowski · November 19, 2024

“Reader Feedback” • 19 November 2024

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

Jeff Ostrowski · October 22, 2024

“Reader Feedback” • 22 October 2024

“I had never directed for the TLM before this semester, and your resources have been beneficial…”

Corpus Christi Watershed · October 22, 2024

In Search of the Pius XII Psalter!

Robert B. sent us the following email…

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Corpus Christi Watershed

President’s Corner

    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
    PDF Download • “Hymn for 2 Voices”
    Readers who click on this video will see that it starts with verses of the “Pange Lingua” hymn by Saint Thomas Aquinas (d. 1274) arranged for two voices. However, there’s a polyphonic refrain (“Tantum Ergo”) for three voices, taken from Kevin Allen’s Motecta Trium Vocum. If your choir is very small, this piece is for you! You can download the PDF score free of charge—and you can also utilize the rehearsal videos for each individual voice—by navigating yourself to #20323.
    —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

“The renewal also showed clearly that the formulas of the Roman Missal had to be revised and enriched. This was begun by Pope Pius XII in the restoration of the Easter Vigil and the Holy Week services, which formed the first stage in accommodating the Roman Missal to contemporary mentality.”

— Pope Paul VI (1974 Sacramentary)

Recent Posts

  • Dom Pothier • Photo from 1904
  • PDF Chart • “Plainsong Rhythm”
  • PDF • “3-Voice Motet” (Father De Laet)
  • PDF Download • “Hymn for 2 Voices”
  • (January 2026) • “Children Singing Plainsong”

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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.