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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 · January 12, 2021

Lies, Lies, Lies

“Narrative lies” cannot exist without a storyteller.

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Jeff Ostrowski · January 7, 2021

Catholic Choirmasters • Never Fall For This!

Statements so appalling, egregious, and atrocious they must be corrected…

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Jeff Ostrowski · January 7, 2021

6 January 2021 • Anglicans on Plainsong

A book published by Anglicans in 1965 has this to say about Abbat Pothier’s Editio Vaticana, the musical edition reproduced by books such as the LIBER USUALIS (Solesmes Abbey): “No performing edition of the music of the Eucharistic Psalmody can afford to ignore the evidence of the current official edition of the Latin Graduale, which […]

Jeff Ostrowski · January 5, 2021

PDF Download • “Essential Liturgical Chart”

I’ve never spent as much time creating a Liturgical Chart as I did for this one.

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Jeff Ostrowski · January 5, 2021

PDF Download • “Blessing of Epiphany Water”

An 18-page PDF for the Solemn Blessing of Water on the Eve of the Epiphany.

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Jeff Ostrowski · January 3, 2021

PDF Download • “Puer Natus In Bethlehem” — Simple Christmas Hymn (2 Pages)

This is one of my favorite Gregorian hymns; very catchy!

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Jeff Ostrowski · January 2, 2021

2 January 2021 • Temptation

When I see idiotic statements made on the internet, I go nuts. When I see heretics promoted by people who should know better, I get angry. Learning to ignore such items is difficult—very difficult. I try to remember the words of Fr. Valentine Young: “Do what God places in front of you each day.” When […]

Jeff Ostrowski · January 2, 2021

PDF Download • “No woman shall kiss her child on the Sabbath or fasting day.”

The “Blue Laws” were a series of fanatical laws enacted by the Puritans of the colony of Connecticut…

Jeff Ostrowski · January 1, 2021

“Homily — Feast of Mary, the Mother of God, Years ABC” • Father Valentine Young, OFM

We seem to be sitting around waiting for “that day” when everything in the world, in our country, and in the Church is going to be perfect…

Jeff Ostrowski · January 1, 2021

31 December 2020 • “COMITES CHRISTI”

The feasts for Saint Stephen Proto-Martyr (26 December), Saint John the Evangelist The Disciple Whom Jesus Loved (27 December), and the Feast of the Holy Innocents (28 December) seem untouched by any liturgical reforms. These are very powerful feasts—I believe they once possessed octaves—and I believe they could sometimes “overpower” a Sunday feast. The rules […]

Jeff Ostrowski · December 27, 2020

“Homily — Feast of the Holy Family, Year B” • Father Valentine Young, OFM

I can speak mainly from my experience with Indians, more specifically the Navajos; their native culture has a great respect and love for marriage and family life.

Jeff Ostrowski · December 23, 2020

PDF Download • “Midnight Mass Musical Plan” (2020)

To show our singers how special our music is, I’ve included ancient MSS for each piece—as well as rehearsal videos.

Jeff Ostrowski · December 23, 2020

23 December 2020 • A 5th? or 4th?

I have noticed that where the Editio Vaticana has a descending perfect fourth for the Gradual of Christmas Midnight Mass, many ancient manuscripts have a descending perfect fifth, which is pretty cool: Example A — Example B. The Vatican Edition is a CENTO, and never made any claim to be anything other than a CENTO. […]

Jeff Ostrowski · December 23, 2020

PDF Download • “Creator Alme Siderum” with Organ Accompaniment

The Brébeuf Hymnal provides ancient (Roman Catholic) English translations of this hymn, but Eleanor Parker found versions in Anglo-Saxon!

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Jeff Ostrowski · December 22, 2020

“Improving As Musicians” • Eight Suggestions

Did you know I communicate with dead Catholic composers? I’m not joking.

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Corpus Christi Watershed

President’s Corner

    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
    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
    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (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
    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

The very first question to be considered, of course, was: “Just why does the Sacred Liturgy need renewal at all?” It cannot be denied that there were many present, in the beginning, who felt that the Liturgy was generally very good the way it was; further, if there were to be any improvements, they felt the Sacred Congregation of Rites was the agency properly suited to make those improvements.

— Most Rev’d Robert Emmet Tracy (d. 1980)

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