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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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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 10, 2021

[re-post] • “Hymn for the Feast of All Saints”

All Saints—November 1st—will be here before you know it!

Jeff Ostrowski · September 8, 2021

PDF Download • “Old Catholic Missal” (1909) … for the Schismatic “See of Utrecht”

Readers will enjoy perusing this book.

Jeff Ostrowski · September 8, 2021

A Truly Insane Liturgical Practice

In 2013, I began speaking of an insane liturgical practice which was allowed by Pope Pius XII—but nobody realizes this. If you tried to do this at the Traditional Latin Mass, you would most likely be run out of town on a rail. However, for the record, the FULTON SHEEN MISSAL (edited by Father Caraman) […]

Jeff Ostrowski · September 7, 2021

“Hand-Communion?” • Provocative Quotes

“Accepting Vatican II” seems to mean deliberately contradicting the actual documents of Vatican II.

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Jeff Ostrowski · September 6, 2021

[re-post] • “Famous Italian Actor Regrets Aborting Son”

“It was the mistake of my life. When I was very young, I had the chance to become a father, but I had my son aborted. Now, I’ve become very strongly against abortion.” —Andrea Roncato

Jeff Ostrowski · September 1, 2021

PDF Download • Bishop Donohoe: “I wish you to definitely confront the priest…”

A bizarre 1976 letter seeks “priest hunters” in the diocese of Fresno.

Jeff Ostrowski · August 31, 2021

31 August 2021 • Unexpected Facts

Yves Chiron claims that Annibale Bugnini was a professor at PIMS (the Pontifical Institute of Sacred Music in Rome) for ten years, but in 1965 he was forced to resign. If true, this is very odd. Another odd fact: It turns out that Leopold Stokowski, the famous conductor who helped Josef Hofmann found the Curtis […]

Jeff Ostrowski · August 28, 2021

“Jaw-Dropping Video” • Never expected to see this!

Someone has located rare video footage from the 1950s and 1960s.

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Jeff Ostrowski · August 27, 2021

Breaking! • Cardinal Cupich Bans “Hail, Mary” Prayer

We are not aware of any Church legislation which prohibits saying the “Hail, Mary” after Mass, but Cardinal Cupich seems not to care.

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Jeff Ostrowski · August 27, 2021

27 August 2021 • “DO” a deer?

Giovanni Battista Doni (d. 1647AD) is known for having changed the name of the UT Note—renaming it “Do.” He convinced his contemporaries to make the change by arguing that: (1) “Do” is easier to pronounce than “Ut” is; and (2) “Do” is an abbreviation for “Dominus,” the Latin word for the Lord, Who is the […]

Jeff Ostrowski · August 27, 2021

PDF Download • “Pater Noster” by Van Nuffel (1937)

Throughout my career, I have tried to follow the advice Cardinal Mercier gave the young Fulton J. Sheen.

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Jeff Ostrowski · August 25, 2021

Lace for an Altar Boy’s Surplice? — Yes? No?

This was viewed 9,000+ times on our Facebook page…

Jeff Ostrowski · August 24, 2021

Church Musicians: The Revolution Starts Today!

Do what’s right, say your prayers, offer each day to Jesus Christ, and hold your head high!

Jeff Ostrowski · August 21, 2021

21 August 2021 • “Roman Numerals”

Take a look at the Introit for tomorrow, the 13th Sunday after Pentecost. When we were in school, we would have gotten in trouble if we wrote “xiiii” as Roman Numerals instead of “xiv”—but you can see this was actually quite common.

Jeff Ostrowski · August 21, 2021

“Homily: 13th Sunday after Pentecost” (EF) • Father Valentine Young, OFM

Some people—when they pray the Our Father—believe the words “Thy will be done” actually mean “My will be done…”

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Corpus Christi Watershed

President’s Corner

    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“Before any seminarian is accepted for ordination, he must not only strive for chastity but actually achieve it. He must already be living chaste celibacy peacefully and for a prolonged period of time—for if this be lacking, the seminarian and his formators cannot have the requisite confidence that he is called to the celibate life.”

— Archbishop Viganò (16 February 2019)

Recent Posts

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