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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

Archives for January 2016

Jeff Ostrowski · January 9, 2016

Letter To The FSSP Choir In Los Angeles

There’s something less scary you can do to help build up God’s Kingdom.

Jeff Ostrowski · January 9, 2016

Musical Resources • Feast of the Holy Family (Extraordinary Form)

“O Lord Jesus Christ, who—in the days of thy sub­jec­tion to Mary and Joseph—didst consecrate home life by ineffable acts of virtue…”

Richard J. Clark · January 8, 2016

Communion Antiphons for Lent • RCIA and Scripture

Propers for Lent and their relationship with RCIA and the scriptures

Jeff Ostrowski · January 8, 2016

The Miraculous Rise Of The Traditional Latin Mass

A puzzling article appeared in the National Catholic Register by Msgr. Charles Pope.

Dr. Alfred Calabrese · January 7, 2016

The Theology of a C-sharp Minor Chord

Every time I listen to this piece I’m still shocked.

Jeff Ostrowski · January 7, 2016

Bishop René H. Gracida On Internet Porn

“Parents, love your children and do your best to shield them from exposure to pornography.” —Bishop Gracida

Andrew Leung · January 7, 2016

A Faithful Bishop

I am very thankful that I get to know Bishop Roger Foys of Covington, KY, who wrote a great letter and decree about the Mass back in 2011.

Christopher Mueller · January 6, 2016

On Catholic Art

It’s time to renovate and reoccupy our own tradition!

Andrew Leung · January 5, 2016

Catholic Service to be Celebrated in the Chapel Royal

What exciting news! The first Catholic service in centuries is to be celebrated in the Chapel Royal!

Jeff Ostrowski · January 5, 2016

| Part 2 of 3 | • “Kyrie Eleison” (SATB) within the reach of any choir!

By the mighty Francisco Guerrero!

Jeff Ostrowski · January 5, 2016

Church Music: True Diversity Vs. False Diversity

Liturgical progressives constantly praise the “stylistic diversity” of the Ordinary Form, but the truth is surprising.

Veronica Brandt · January 2, 2016

Mental Prayer through Hymns

The big misunderstanding about mental prayer illuminated by two different hymns and what you can do about it.

Jeff Ostrowski · January 1, 2016

PDF Download • New Composition By Kevin Allen

This SATB setting of “Jesu Dulcis Memoria” will help you start 2016 on the right foot!

Jeff Ostrowski · January 1, 2016

Update • “Graduale Parvum” (English & Latin)

They have now posted Advent for double-sided printing in book form.

Richard J. Clark · January 1, 2016

Unprecedented • Orthodox Rabbinic Statement on Christianity

I urge you to read this astonishing statement more than once to absorb its magnitude.

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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

St Ambrose had to be “corrected” by Pope Urban VIII. The ‘Iste confessor’ was greatly altered and the hymn for the Dedication of a Church—which no one ought to have touched—was in fact completely recast in a new meter. Singular demand, made by the taste of that particular epoch!

— Re: The hymn revisions of Pope Urban VIII (d. 1644)

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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