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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

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

Jeff Ostrowski · September 13, 2023

Why Sing? • Byrd Answers!

Make sure to click on the recent article by Dr. Charles Weaver, because he links to something remarkable. In essence, it’s a list—written by William Byrd!—regarding why we should sing.

Jeff Ostrowski · September 13, 2023

SEPTEMBER • Monthly Reminder

Each day, I speak via telephone to folks who have supported Corpus Christi Watershed for years. Yet many of them don’t know about our email newsletter! Please sign up! Simply scroll to the bottom of any blog article and enter your email address. Thank you!

Jeff Ostrowski · September 13, 2023

Eucharistic Hymn by the Archbishop of Canterbury

Using a favorite melody of Dr. Theodore Marier.

Jeff Ostrowski · September 12, 2023

“Mixing” Your Singers? • Just Do It!

Not long ago, I posted an Agnus Dei for Three Voices by William Byrd (d. 1623). When we sing the “Agnus Dei” at Mass, I often have the singers mix up, so they’re not standing next to someone singing their part. In my experience, this technique does wonders for tuning. Here’s a live excerpt (Mp3) […]

Jeff Ostrowski · September 12, 2023

“Can No One Defend This?” • Why Everyone Should Sing From the Official Edition

I can never go back!

Jeff Ostrowski · September 11, 2023

Jeff Ostrowski’s Discovery • (Does Anyone Care?)

Feel free to examine every single page if you doubt what I’m saying!

Jeff Ostrowski · September 8, 2023

8 Sept. 2023 • Charles Rosen on Bach!

Charles Rosen was a concert pianist who published insightful books about various musical topics. I believe our readers will enjoy this 27-minute presentation on the music of Johann Sebastian Bach. Not everything Mr. Rosen says is true. (For instance, Rosen was not the first pianist to record the ART OF THE FUGUE on the piano. […]

Jeff Ostrowski · September 7, 2023

7 Sept. 2023 • Alphabetized Hymnals?

One could be forgiven for believing that arranging hymns in alphabetical order would make them easier to find. Believe it or not, that’s actually one of the worst decisions an editor could make. This very brief video explains why.

Jeff Ostrowski · September 6, 2023

Natalia’s Message • “Explaining The Two Sections!”

If you asked random Catholics to recite in English—without reference to a book—a stanza from the “Tantum Ergo” of Saint Thomas Aquinas, how many do you think could?

Jeff Ostrowski · September 5, 2023

Does It Make Sense to Alphabetize Hymnals?

Perhaps you’re saying to yourself: “Jeff comes across as super ungrateful.”

Jeff Ostrowski · September 4, 2023

When Others Say You’re “Dumb”

I could give a zillion more examples of my disability.

Jeff Ostrowski · September 2, 2023

Are You A Professional? • (Am I One?)

Including a Eucharistic Hymn (#142) every Catholic should know!

Jeff Ostrowski · August 30, 2023

“Momentous Release!” • Freakishly Rare Gradual & Vesperal Published by Pothier’s Protégé (1,638 pages!)

He screamed into the telephone: “There’s no such thing as Gregorian Chant!”

Jeff Ostrowski · August 29, 2023

PDF Download • “Alleluia Verse before Gospel” • (Mass in honor of Saint Noël Chabanel)

Instead, Saint Francis knelt down and kissed the priest’s hands…

Jeff Ostrowski · August 27, 2023

27 August 2023 • Nine Merry Men!

Half a decade has passed since nine (9) colleagues from Corpus Christi Watershed contributed texts, melodies, and harmonizations to a special hymn book in honor of North America’s patron saint, Father John Brébeuf. The website promoting it was massively overdue for a facelift. As of a few minutes ago, I can report that it’s been […]

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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

Impelled by the weightiest of reasons, we are fully determined to restore Latin to its position of honor, and to do all We can to promote its study and use. The employment of Latin has recently been contested in many quarters, and many are asking what the mind of the Apostolic See is in this matter. We have therefore decided to issue the timely directives contained in this document, so as to ensure that the ancient and uninterrupted use of Latin be maintained and, where necessary, restored.”

— Pope John XXIII (22 February 1962)

Recent Posts

  • 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)
  • “Gregorian Chant Isn’t a Platform for Your Personal Theories, Jeff” • (A Letter We Received)

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