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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

Veronica Brandt · June 10, 2018

Save the World: Build More Carmels

Society grows great when old men plant trees whose shade they know they shall never sit in.

Fr. David Friel · June 10, 2018

Sacred Music Camp for Children in Philadelphia

The Inaugural “Cantate Domino” Festival

Veronica Brandt · June 9, 2018

Perpetual Succour Passes the Equator

One young doctor sailing across the Pacific Ocean to raise money for the Indigenous Literacy Foundation. You do meet all sorts at Mass.

Jeff Ostrowski · June 8, 2018

“No, I was taught that in school…”

The famous wit of William F. Buckley Jr. is quite conspicuous in this clip.

Andrew Leung · June 7, 2018

Raising the Musical Standards (Part 1)

The low musical standards in churches these days…

Jeff Ostrowski · June 5, 2018

Sanctus & Benedictus • “Ave Maris Stella” (Victoria)

We’ve released rehearsal videos for the Kyrie—today, we release the Sanctus & Benedictus!

Dr. Lucas Tappan · June 5, 2018

The Beauty of Dance

There shall surely be dancing in Heaven.

Jeff Ostrowski · June 4, 2018

CCW Receives Praise … on Television!

An excellent series on Church music

Corpus Christi Watershed · June 3, 2018

Sacred Music Symposium (2018)

“After such a joyful and music-filled week, I’m feeling refreshed and motivated to change the world!” —Participant from 2017

Veronica Brandt · June 2, 2018

FSSP Camp in Sydney, Australia

Living the Liturgy requires a little study. Learning Thomistic philosophy opens up new dimensions to the prayers we love so much.

Richard J. Clark · June 1, 2018

“On a Sacred Note” • Catholic TV Network • 13 Part Series on Sacred Music

“My wish is that our viewers will walk into Sunday Mass with a new attentiveness…” — Stephanie Scogna

Andrew Leung · May 31, 2018

Summer Sacred Music Workshop 2018

Summer Sacred Music Workshop 2018 in Charlotte, NC!

Jeff Ostrowski · May 31, 2018

Is The Brébeuf Hymnal Too Scrupulous?

Why so much deliberation over every choice? Why so much discussion about a single stanza, or even a single word?

Jeff Ostrowski · May 28, 2018

Can Plainsong Be Harmonized? • (Rehearsal Video)

I included several nasty “Medicæa” harmonizations from the 19th century…

Jeff Ostrowski · May 28, 2018

How Serious Are They About The Accent?

Mode 7 is one of the “tricky” psalm tones.

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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 conciliar norms regarding reform of the liturgy have given the choir’s function greater prominence and importance. The choir is responsible for the correct performance of the parts that belong to it…”

— “Musicam Sacram” (5 March 1967)

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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