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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

Corpus Christi Watershed

Corpus Christi Watershed · August 15, 2013

Sacred Music Colloquium XXI (Trailer)

A short film by Watershed which features live footage of the “Sacred Music Colloquium” (Church Music Association of America).

Corpus Christi Watershed · August 15, 2013

Sacred Music Colloquium XVIII (Video Trailer)

A short film by Watershed which features live footage of the “Sacred Music Colloquium” (Church Music Association of America).

Corpus Christi Watershed · August 15, 2013

Sacred Music Colloquium XX (Trailer)

A short film by Watershed which features live footage of the “Sacred Music Colloquium” (Church Music Association of America).

Corpus Christi Watershed · August 15, 2013

Foreword by Bishop René H. Gracida

Foreword by Bishop René H. Gracida

Corpus Christi Watershed · August 5, 2013

Paul VI “Disturbed And Saddened” By Purge Of Latin

“On 26th September, 1964, it was decreed as follows: In celebrating the divine office in choir, clerics are bound to preserve the Latin language.” — Pope Paul VI, 15 August 1966

Corpus Christi Watershed · July 29, 2013

Sixty-Four Years In A Row? Wow!

(Winooski, Vermont) — “An 87-year-old choirmaster who has not missed a Sunday Mass for more than 64 years will receive an honor from His Holiness Pope Pius XII.”

Corpus Christi Watershed · July 25, 2013

Cardinal Raymond Leo Burke Interview

“In the reforms as they were introduced after the Council, a fundamental misunderstanding took place. Namely, this was that the reforms were undertaken with the idea there had been a rupture …” —Raymond Cardinal Leo Burke

Corpus Christi Watershed · July 22, 2013

A Personal Remembrance . . .

“Could I have imagined at that time that I was sitting and conversing with the future Pope? Not in a million years!” — Fr. Christopher G. Phillips

Corpus Christi Watershed · July 9, 2013

Pope Francis Will Canonize Pope John Paul II

“Those who worship are not passive, for instance, when listening to the readings or the homily, or following the prayers of the celebrant, and the chants and music of the liturgy.” — John Paul II

Corpus Christi Watershed · July 8, 2013

Pope John XXIII To Be Canonized By Pope Francis

Pope John XXIII said that if we cease to value Latin, “poor mortal creatures may well become like the machines they build — cold, hard, and devoid of love.”

Corpus Christi Watershed · July 2, 2013

Congratulations, Fr. Hubert Coeurderoy!

The 2nd Edition of the Campion Missal will soon be available, but here’s something far more important!

Corpus Christi Watershed · July 1, 2013

1989 Preface to the Douay-Rheims Bible

St. Jerome had access to ancient Hebrew and Greek manuscripts of the 2nd and 3rd centuries which have since perished and are no longer available to scholars today.

Corpus Christi Watershed · July 1, 2013

07 • Lalemant Conversations: Sequoia Sierra

What does a young stylist from L.A. think about the Mass Propers?

Corpus Christi Watershed · June 28, 2013

Henri Potiron Organist Vesperale (PDF Download)

Henri Potiron’s 1935 organ accompaniments for Vespers (270 pages) for free download!

Corpus Christi Watershed · June 26, 2013

Did you know Lasso suffered from depression?

Lassus (†1594) was a celebrity musician in his day, and at least 2,000 of his masses, canticles, motets and hymns have survived. He was also bipolar, then called “melancholia hypochondriaca.”

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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

For the most part, a “good pope” is defined as someone who does what the critic would do if he were pope.

— William F. Buckley Jr. (6 September 1978)

Recent Posts

  • 2026 Sacred Music Pilgrimage (Washington DC) • With Richard J. Clark
  • “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”

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