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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 · November 24, 2013

Traditional Latin Hymnal “Facts Sheet”

Folks have been requesting a “breakdown” of the St. Edmund Campion Hymnal … so here it is!

Corpus Christi Watershed · November 14, 2013

Kevin Allen Concert — Tomorrow Night!

Friday, November 15 at 7:00pm (CST) Kevin Allen will present a concert at St. Josaphat Church in Chicago, Illinois.

Corpus Christi Watershed · November 12, 2013

Cardinals Who Don’t Know Latin

This short video talks about Cardinals who didn’t understand the Pope’s resignation speech.

Corpus Christi Watershed · November 11, 2013

Two Upcoming Lectures on Sacred Art

The Beauty of the Liturgical Year: Advent

Corpus Christi Watershed · November 9, 2013

Liturgica Website Reprints “Rituale Romanum”

“All illustrations were painstakingly edited and partly redrawn.”

Corpus Christi Watershed · November 7, 2013

Now Available! Online Latin Lectionary For Masses In The Ordinary Form

Sometimes “seeing is believing.”

Corpus Christi Watershed · November 6, 2013

Jesuit Martyrs of North America by John A. O’Brien

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · October 30, 2013

National Catholic Register Mentions Watershed Hymnal

“I’ve found that almost all of the students, regardless of their current knowledge level, are receptive to the Church’s treasury of sacred music and her teaching on the subject.”

Corpus Christi Watershed · October 29, 2013

Fr. Jeffrey Keyes Featured In Regina Magazine

“Disgusted and hurt, I went back to selling hotdogs and making music in a liberal Catholic church on Sunday evenings.”

Corpus Christi Watershed · October 28, 2013

REMINDER: Upcoming Holy Day of Obligation

Friday, 1 November 2013 (All Saints Day) is a Holy Day of Obligation for Catholics.

Corpus Christi Watershed · October 24, 2013

Organ Accompaniments to Simple Gregorian Chants

PDF organ accompaniment scores for simple chants found in the Parish Book of Chant.

Corpus Christi Watershed · October 24, 2013

Blessed John Henry Cardinal Newman

Corpus Christi Watershed assisted the Birmingham Oratory with media work leading up to the Papal Visit and Beatification of Cardinal Newman.

Corpus Christi Watershed · October 18, 2013

Why Are We Bored At Mass?

Dr. Scott Hahn admits to being bored at Mass … and explains why his daughter “doesn’t want to go to Heaven.”

Corpus Christi Watershed · October 17, 2013

Interesting Catholic Websites

Please let us know about interesting Catholic websites!

Corpus Christi Watershed · October 17, 2013

Celebrating the Golden Jubilee of ICEL in Rome

Maestro Charles Cole strikes again!

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Corpus Christi Watershed

President’s Corner

    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. Simple 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
    ‘German’ Introductions for Hymns
    German organ books have an enchanting habit of including introductions for each and every hymn. For example, consider this snazzy example found in a German hymnal published in 1902. In the Saint Jean de Brébeuf Hymnal, that melody is called “Laudes Mariae” and was married to Omni Die Dic Mariae, with a popular English translation (“Daily, daily, sing to Mary”) by Father Henry Bittleston, an Oratorian priest. Notice they also added a ‘tailpiece’ or ‘playout’ or postlude at the end—a very German thing to do!
    —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

“Rarely indeed,” asserted Pope Benedict XV (2 October 1921), “has the idealism of art and the glory of the faith been joined in such perfect harmony” as in the works of Palestrina and fellow polyphonists.

— Quoted by Gerard Ellard SJ (Church history professor at St. Mary’s College, KS)

Recent Posts

  • PDF Download • “Anima Christi”
  • PDF Download • “Rarer Than a Blue Moon” — Side-by-Side English Translation (Pius XII Psalter)
  • Fulton J. Sheen • “24-Hour Catechism”
  • Simplified Accompaniment (Easter Hymn)
  • PDF Download • “Quasi Modo Sunday”

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