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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

Jeff Ostrowski · April 22, 2013

A Tale Of Two Monsignori: Schmitt & Vyverman

Did Msgr. Schmitt malign Msgr. Vyverman of Malines? And did Fr. Schmitt truly forget Gogniat’s name?

Cynthia Ostrowski · April 22, 2013

Catholic Line Art, Black and White • Installment #15

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”

Jeff Ostrowski · April 22, 2013

“Episcopalian” Music vs. “Catholic” Music? Wrong question!

Can you hear “Jesus Christ is Risen Today” in this video from an Episcopalian Church taken on Easter Sunday, 2013?

Corpus Christi Watershed · April 21, 2013

ABOUT THIS SITE: St. René Goupil Gregorian Chant

Free Gregorian Chant Recordings for the Extraordinary Form . . . complete at last!

Fr. David Friel · April 21, 2013

Faith Seeking Understanding

Anselm of Canterbury

Veronica Brandt · April 20, 2013

Do-It-Yourself Hymnal: The impossible dream

There is no such thing as a perfect hymnbook or missal.

Richard J. Clark · April 19, 2013

Hope and Prayer in this Valley of Tears

In Boston we send up our sighs, our mourning, and our weeping in this valley of tears. Great suffering compels us to move towards Christ, and Christ in turn embraces us lovingly in his comforting embrace. Therefore, the sacred liturgy is essential at the time, more than ever.

Fr. David Friel · April 19, 2013

Luke’s Second Book

High Drama

Dr. Peter Kwasniewski · April 18, 2013

On Correcting Deviant Liturgical Customs

The longer the hermeneutic of rupture and its expressions are allowed to continue, the longer a “Great Schism” between the preconciliar and postconciliar periods will be perpetuated. There is a real, pressing, desperate need for healing, reconciliation, and reunification.

Fr. David Friel · April 17, 2013

Acts of the Apostles

“They Could Not Withstand the Wisdom & Spirit with Which He Spoke”

Andrew R. Motyka · April 17, 2013

Just Pick Up a Pencil and Do It.

Short and sweet regarding composing.

Corpus Christi Watershed · April 16, 2013

Benedict XVI Turns 86 Years Old

His first birthday as Pope Emeritus. This is a really nice video honoring His Holiness.

Cynthia Ostrowski · April 16, 2013

Catholic Line Art, Black and White • Installment #14

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”

Jeff Ostrowski · April 15, 2013

Fr. George Rutler Weighs In On The Campion Missal

“Attractively, even elegantly, produced, the appearance of this Missal and Hymnal is appropriate to the high quality of the contents . . .” — Rev. George William Rutler

Richard J. Clark · April 15, 2013

Not a movie. This was real.

This attack happened within my parish. St. Cecilia Parish in the Back Bay section of Boston, is around the block from the finish line of the Boston Marathon. Several historic churches literally surround the finish line. So where is God in all of this?

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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

It was thought important that the song should actually accompany the distribution of Communion. A Carolingian explanation of the Mass remarks that during the Communion “soft melody should touch the ear [of the faithful] so that hearing this sound they would busy themselves less with distracting thoughts and … their hearts would be moved to humble love for that which they receive.”

— Father Josef Andreas Jungmann

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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