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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

Dr. Peter Kwasniewski · July 24, 2014

“What Shall I Render to the Lord…”

It is impossible for us, by ourselves, to make a just return to the Lord for all He has given to us. But “with the Lord, nothing is impossible.”

Guest Author · July 23, 2014

Like Eve in the Garden

“The fruit in my hands was not forbidden but simply forgotten.” — Fr. Brent Maher

Jeff Ostrowski · July 22, 2014

Altar Servers Caught In The Act?

These altar boys are going to get in trouble.

Jeff Ostrowski · July 22, 2014

The Supreme Court & Traditional Liturgy

In my opinion, Fr. Paul Scalia’s face resembles that of his father (Justice Antonin Scalia) … but I could be completely wrong about this.

Aurelio Porfiri · July 22, 2014

Basic Steps To Improve Music At Your Parish — Part 7

Guided by this one principle, every parish: “will become a model in its own way, and the liturgical reform, in its essence and demands, will be happily fulfilled.” — Aurelio Porfiri

Jeff Ostrowski · July 22, 2014

PHOTO: Cardinal Ratzinger Saying The Latin Mass

Pope Benedict XVI celebrated the Traditional Latin Mass in Weimar (Germany) in 1989 and 1999.

Fr. David Friel · July 20, 2014

Basic Steps To Improve Music At Your Parish — Part 5

Silence is one of the most important sounds of the liturgy.

Jeff Ostrowski · July 20, 2014

Basic Steps To Improve Music At Your Parish — Part 6

You will not make progress at your parish unless you understand Pope Benedict’s “Unbelievably Big Kite” theory.

Jeff Ostrowski · July 19, 2014

Three Painless Ways To Begin Singing Propers … Without Losing Your Job

A peritus of the Council once suggested that certain parties detest the Mass Propers because they’re almost impossible to “hijack” with heterodox theology.

Veronica Brandt · July 19, 2014

Basic Steps To Improve Music At Your Parish — Part 4

Importing singers is the quickest way to get good music into your parish, even if it is only for one occasion.

Jeff Ostrowski · July 19, 2014

Diary of Cardinal Antonelli (1964): “How Exactly Should The Vatican II Mass Look?”

If Pope Pius V or Gregory the Great were to come back, they ought to see that the Mass after Vatican II has substantially remained the same.” — Secretary of the Consilium

Jeff Ostrowski · July 18, 2014

Inaccurate Statements About Translations Of The Mass Propers (A Pet Peeve)

The quickest way to make this clear to a skeptical priest or liturgist is to request that they bring you some Offertory antiphons from MR3. (They don’t exist!)

Richard J. Clark · July 18, 2014

Basic Steps To Improve Music At Your Parish — Part 3

Turn off the microphones. This can be a challenge when many parishes and even some cathedrals are enamored of carpeting – to say nothing of seat cushions!

Dr. Peter Kwasniewski · July 17, 2014

Basic Steps To Improve Music At Your Parish — Part 2

I have been asked to recommend some ways in which any parish in the United States could improve the music used at Mass. Some parishes may already have taken the following two steps, in which case my advice will be nugatory for them, but if your parish has not yet done so, now’s the time to begin.

Aurelio Porfiri · July 17, 2014

Fr. Enrico Zoffoli and the Passion of the Lord

“And so, for Jesus – and for us – the Passion is everything, the Passion decides everything.” — Fr. Zoffoli

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Corpus Christi Watershed

President’s Corner

    “Reminder” — Month of April (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
    Simplified Accompaniment (Easter Hymn)
    Number 36 in the Brébeuf Hymnal is “At the Lamb’s high feast we sing,” an English translation for Ad Cenam Agni Próvidi (which was called “Ad Régias Agni Dapes” starting 1631). As of this morning, you can download a simplified keyboard accompaniment for it. Simply click here and scroll to the bottom. Many organists are forced to serve simultaneously as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult—which explains why choirmasters appreciate these simplified keyboard accompaniments. Sadly, many readers will click that link but forget to scroll to the bottom where the simplified PDF file is located.
    —Jeff Ostrowski
    PDF Download • “Quasi Modo Sunday”
    The Introit for “Quasi Modo Sunday” (12 April 2026) is particularly beautiful. The musical score can be downloaded as a PDF file, and so can the organ accompaniment. The official language of the Catholic Church is Latin (whereas Greek is our mother tongue). Vatican II said Gregorian Chant must be given “first place” under normal circumstances. As a result, some parishes will rightly sing the authentic version. On the other hand, because so many USA dioceses disobey the mandate of Vatican II, some musicians sing plainsong in the vernacular. I have attempted to simultaneously accompany myself on the pipe organ while singing the English version. Although very few take advantage of it, the complete Proprium Missae is posted at the flourishing feasts website.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski
    PDF • “Liturgical Law” (467 Pages)
    On Good Friday during the middle ages, the pope privately recited THE ENTIRE PSALTER. If you don’t believe me, see for yourself by reading this passage by Dom Charles Augustine Bachofen (d. 1943). His famous book—called “Liturgical Law: A Handbook Of The Roman Liturgy”—was published by the Benjamin Herder Book Company, which was the American arm (operating out of St. Louis, Missouri) of one of the world’s most significant Catholic publishers. Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon). His 1931 masterpiece, Liturgical Law can be downloaded as a PDF file … 467 pages!
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 24 March 2026
    How well do you know your Gregorian hymns? Do you recognize the tune inserted into the bass line on this score? For many years, we sang the entire Mass in Gregorian chant—and I mean everything. As a result, it would be difficult to find a Gregorian hymn I don’t recognize instantly. Only decades later did I realize (with sadness) that this skill cannot be ‘monetized’… This particular melody is used for a very famous Gregorian hymn, printed in the LIBER USUALIS. Do you recognize it? Send me an email with the correct words, and I promise to tell everybody I meet about your prowess!
    —Jeff Ostrowski

Random Quote

“The Night Office—Nocturns or Matins—except for Holy Week, Easter Octave, and Christmas, has never appeared in the Vatican edition. The larger part of the mediaeval repertory for the Office thus remains still unpublished in the Vatican edition, and is likely to remain so, for the obvious reason that almost no cathedral chapters or monastic choirs sing the Night Office regularly today.”

— John Merle Boe (1968)

Recent Posts

  • “Reminder” — Month of April (2026)
  • “Gregorian Chant Isn’t a Platform for Your Personal Theories, Jeff” • (A Letter We Received)
  • Request From Australia
  • PDF Download • “Anima Christi”
  • PDF Download • “Rarer Than a Blue Moon” — Side-by-Side English Translation (Pius XII Psalter)

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