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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

Andrea Leal · May 22, 2020

Huge Announcement • The Brébeuf Virtual Choir!

The Sacred Music Symposium is bearing fruits none of its organizers—myself included—could have imagined. Laus Deo!

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Richard J. Clark · May 22, 2020

Saint Cecilia and an Angel Orazio Gentileschi and Giovanni Lanfranco

Reopening our Churches – Encouragement – Resources

As churches are working towards reopening, it is also no small change for many to concede congregational singing and choirs of any size. So many musicians have already sacrificed so much, spiritually, artistically, and economically.

Jeff Ostrowski · May 21, 2020

“Jesu Nostra Redemptio” • Ancient Hymn for the Ascension translated into English!

Did you know every Mass is a celebration of our Lord’s Ascension? — Here’s proof.

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Dr. Lucas Tappan · May 20, 2020

Of Shepherds and Sheep

This image of Christ as the Good Shepherd constitutes the supreme model for all pastors, clerical or (in a broader and unordained sense) lay—anyone leading others into the Sheepfold of the Church. It is, therefore, crucial to understand the various nuances of pastor, or shepherd.

Jeff Ostrowski · May 19, 2020

New Harmonies! • “To Jesus Christ, Our Sovereign King”

It’s hard to believe, but Father Knauff’s “Christ the King Hymnal for Congregational Singing” (1954) omitted this hymn!

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Keven Smith · May 18, 2020

What to Do When Music Creeps Into Your Prayer

Music is a language, but it does not supplant our own. Rather, it enlivens our words so that they can penetrate the soul with the fullness of their meaning—and enlighten our eyes in any circumstance.

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Fr. David Friel · May 17, 2020

Returning to the Sacraments • “Breathe Easter Now” (Hopkins)

Words of Hope from Gerard Manley Hopkins

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Jeff Ostrowski · May 16, 2020

PDF Download • Organ Accompaniments (Benediction of the Blessed Sacrament)

Including O SALUTARIS (“O Saving Victim Opening Wide”) and TANTUM ERGO (“Down in Adoration Falling”) in Latin and English.

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Veronica Brandt · May 16, 2020

Regina Caeli: How Good do you Need to Be to Sing Polyphony?

To sing at Mass though, you need more than just being able to finish together.

William J. Fritz · May 15, 2020

How to Change a Hymn Without Changing It

Ever thought of changing the way you play a hymn without needing to have studies advanced theory and harmonization techniques? Here are two ways of changing the way you are playing a hymn without changing the harmony or re-voicing it.

Wilfrid Jones · May 15, 2020

Post-Pandemic Liturgy

Some very brief comments on the lessons we might learn during this pandemic for the future of liturgical music.

Jeff Ostrowski · May 14, 2020

Can’t Decide Which Hymn Tune To Use?

My brain can’t accept the approach chosen by this “Graduale”…

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Dr. Alfred Calabrese · May 13, 2020

Josquin’s “Ave Maria…Virgo Serena” • The Most Famous Piece Of 1502

It stands to reason that if someone wants to sell a lot of books, he should put something in there that people want to buy.

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Jeff Ostrowski · May 12, 2020

What Did Palestrina Look Like?

Father Lawrence Lew, OP, is perhaps the world’s greatest photographer.

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Dr. Lucas Tappan · May 12, 2020

How Do the Greats Approach the Science of Choral Conducting?

Michelangelo, without training and in wont of the best paints and plaster, would have struggled to paint the ceiling of the Sistine Chapel.

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Corpus Christi Watershed

President’s Corner

    Simplified Accomp. • Schubert’s “Ave Maria.”
    Sometimes the organist must simultaneously serve as the CANTOR. (Those who work in the field of church music know exactly what I’m talking about.) One of our contributors composed this simplified keyboard accompaniment for Franz Schubert’s “Ave Maria,” a piece which is frequently requested for Catholic funerals and weddings. In terms of the discussion about whether that piece is too theatrical (‘operatic’) for use in Church, I will leave that discussion to others. All I know is, many church musicians out there will appreciate this simplified version.
    —Jeff Ostrowski
    “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

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 is most important that when the faithful assist at the sacred ceremonies … they should sing alternately with the clergy or the choir, as it is prescribed.”

— ‘Pope Pius XI, Divini Cultus (20 Dec 1928) §9’

Recent Posts

  • Every Artist Needs a Refuge
  • Simplified Accomp. • Schubert’s “Ave Maria.”
  • “The Unselected Hymn” • Do You Recognize It?
  • 2026 Sacred Music Pilgrimage (Washington DC) • With Richard J. Clark
  • “Reminder” — Month of April (2026)

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