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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 · June 15, 2013

Fr. Pierre Paul And Pope Francis

Fr. Pierre Paul is well-known to Church musicians everywhere due to the amazing progress he has personally overseen with the Vatican choirs.

Richard J. Clark · June 14, 2013

Stravinsky on Tradition

“A real tradition is not the relic of a past that is irretrievably gone; it is a living force that animates and informs the present” –Igor Stravinsky

Jeff Ostrowski · June 13, 2013

Does Your Missal Obey Pope Paul VI?

“Gregorian Chant is apt to remain the singing voice of the Church for a good many years to come.” — Fr. Malone, writing in 1962.

Dr. Peter Kwasniewski · June 13, 2013

What Vatican II Said (and Didn’t Say) about the Liturgy

Vatican II presents a mystical, contemplative, symbolic vision of liturgy, the celebration of which John Paul II said “must be characterized by a profound sense of the sacred.” Is it what you experience at your local parish?

Guest Author · June 12, 2013

Responsorial Psalms & Gospel Acclamations

“It is true that the use of the ancient psalm tones for texts in English has been a matter of recent debate, some asserting that it is not possible to fit the cadences of the Gregorian tones . . .”

Andrew R. Motyka · June 12, 2013

An FYI on EP in the OF – Part 3

This timeless text is the high point of this liturgy.

Corpus Christi Watershed · June 11, 2013

An 1833 English Translation of the Missal?

Considering the history of vernacular translations, which were forbidden at certain times by the Church, the following 1833 document will be of interest.

Fr. David Friel · June 11, 2013

Obedience to the Church

Freedom or Slavery?

Jeff Ostrowski · June 11, 2013

Proud Father With Son & Daughter

Normally, I hate it when blogs become too personal, but I hope our readers will tolerate me sharing two (2) pictures of our children.

Corpus Christi Watershed · June 11, 2013

Chant Workshop At Historic Mission San Buenaventura

The session in Ventura, CA, will include Gregorian notation and solfege, Chant in English and Latin, Counting, Mass Ordinary, and a capstone using the Pange Lingua.

Jeff Ostrowski · June 11, 2013

Choir Members’ Behavior In The Year 1596

On 24 December 1596, Nanino records that the singers missed a response of “Amen,” which they were supposed to make after the pope said the Gospel at Matins. But the books were marked so that the same thing would not happen the following year, as it might if they depended only on memory.

Jeff Ostrowski · June 10, 2013

Watershed Customer Service

These days, companies treat their customers like animals. I find it disgusting.

Cynthia Ostrowski · June 10, 2013

Catholic Line Art, Black and White • Installment #20

I will be releasing hundreds of these B/W religious line art drawings for free and instant download. These beautiful Catholic “woodcuts” were done with magnificent skill. “Download Free Traditional Catholic Clipart”

Guest Author · June 10, 2013

The Story Behind The Code

A guest article by Benjamin Bloomfield about a new Gregorian chant tool.

Veronica Brandt · June 10, 2013

Setting propers to psalm tones with gregorio

Another training video showing another easy way to use gregorio online – this time while holding a 4 month old baby girl!

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Corpus Christi Watershed

President’s Corner

    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski
    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —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

“In my capacity as the prefect of the Congregation for Divine Worship and the Discipline of the Sacraments, I continue to remind all that the celebration toward the East (versus orientem) is authorized by the rubrics of the missal, which specify the moments when the celebrant must turn toward the people. A particular authorization is, therefore, not needed to celebrate Mass facing the Lord.”

— ‘Robert Cardinal Sarah, 23 May 2016’

Recent Posts

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  • PDF Download • “Pange Lingua” in Simple (Contemporary) Polyphony for Three Voices
  • PDF Download • “Gregorian Chant Booklet” mailed by Pope Saint Paul VI to every bishop
  • My Response Surprised A Parishioner ‘Upset’ About Latin
  • Fulton J. Sheen • “24-Hour Catechism”

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