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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 · November 8, 2022

“Whoever controls the language controls the Masses.”

“Missa Back-To-The-Future” (a recent OCP offering) isn’t part of the treasury mandated by Vatican II; nor do I belong on the basketball court with Michael Jordan.

Jeff Ostrowski · November 5, 2022

Remembering Mr. Tom Savoy • “Requiescat in pace.”

Tom died suddenly on 24 October 2022 (a month shy of his 67th birthday) at his home in Charlotte.

Jeff Ostrowski · November 5, 2022

4 November 2022 • “Don’t forget!”

Monthly reminder to all: please subscribe to our free mailing list! It couldn’t be easier: (a) Go to any article; (b) Scroll to the bottom; (c) Enter your email address. We exist solely by the generosity of small donors. We have no endowment; we have no major donors; we run no advertisements; we have no savings. […]

Jeff Ostrowski · November 1, 2022

“Gregorian Chant Rhythm Wars” • Ostrowski Vs. Williams

My colleague, Patrick Williams has agreed to enter into a “colloquy” with me vis-à-vis Gregorian rhythm.

Follow the Discussion on Facebook

Jeff Ostrowski · October 29, 2022

“Christ the King” • Introit

I have attempted to record the Introit for the Feast of Christ the King according to the official rhythm of the Catholic Church. You can view the YouTube recording of my attempt. Traditionally, our Savior’s “kingship” was celebrated as part of the Epiphany—but in 1925, Pope Pius XI created the “feast of Christ the King” […]

Jeff Ostrowski · October 29, 2022

29 October 2022 • FEEDBACK

Good morning! My name is […] and I write to you from Chile. Just a short note to say: thank you for your wonderful website “Corpus Christi Watershed.” As a Catholic organist, I truly appreciate the marvelous work you have done. Your website is a tremendous library open to everyone. Thanks so much, and God […]

Jeff Ostrowski · October 28, 2022

“To Jesus Christ, Our Sovereign King” • Melody Comes From Where?

Nobody seems capable of answering this question.

Jeff Ostrowski · October 22, 2022

“Vespers of the Dead” • Most Elaborate Book of Hours I’ve Ever Seen

Our Lord said that if men withheld their praise of Him, “the very stones would cry out…”

Jeff Ostrowski · October 19, 2022

PDF Download • Plainchant on 5 lines!

I can’t think of better way to learn Gregorian chant than to download this 651-page PDF file, containing the marvelous Gregorian Vesperale (1915) by Father Karl Weinmann (d. 1929) printed on five lines. If you accompany Vespers directly from the plainsong notation, this makes life easy! It’s also fun to compare the Gregorian chant inside […]

Jeff Ostrowski · October 19, 2022

19 October 2022 • Feast of Saint Isaac Jogues & Companions

In Canada, they list Father Brébeuf first—in the United States, Father Jogues.

Jeff Ostrowski · October 19, 2022

PDF Download • “Hymn List For Sundays” (until 8 December 2022)

As a child, Rex Harrison contracted measles, which took away the sight from his left eye for the rest of his life.

Jeff Ostrowski · October 17, 2022

“Hymn By A Saint” • For All Saints (November 1st)

There’s something truly ‘haunting’ about this melody by Flor Peeters—and once it’s in your head, it’s hard to banish!

Jeff Ostrowski · October 15, 2022

USCCB • “Principal Music Books for the Eucharist”

The principal books of music for the Eucharist were recently (re-)confirmed by the United States Conference of Catholic Bishops.

Jeff Ostrowski · October 15, 2022

This Sunday’s Introit • “Official” Rhythm

Our Schola Cantorum members prefer to hear recordings of chants we’re learning. This morning I attempted this recording of the INTROIT for this coming Sunday, which is the 19th Sunday after Pentecost. My voice was groggy, but I suppose we singers can’t expect to have a recording studio follow us around all day waiting for […]

Jeff Ostrowski · October 13, 2022

PDF Download • “Liber Cantualis”

On 22 November 1963, Pope Paul VI established the “Consociatio Internationalis Musicae Sacrae.” On 16 July 1966, the Vatican reiterated that the Consociatio was “the only international association of sacred music approved by the Holy See.” It’s very difficult—at least for me—to figure out what happened to that organization, and whether it still exists. One […]

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Corpus Christi Watershed

President’s Corner

    PDF • “Music List” (1st Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 30 November 2025, which is the 1st Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is quite memorable, and the fauxbourdon setting of the COMMUNION is exquisite. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    “Music List” • Christ the King Sunday
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 23 November 2025, which is the 34th Sunday in Ordinary Time (Year C). If such a thing interests you, feel free to download it as a PDF file. In the 1970 Missal, this Sunday is known as: Domini Nostri Jesu Christi Universorum Regis (“Solemnity of Our Lord Jesus Christ, King of the Universe”). As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are conveniently stored at the magnificent feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    “Simplified” Keyboard Accompaniment (PDF)
    I’d much rather hear an organist play a simplified version correctly than listen to wrong notes. I invite you to download this simplified organ accompaniment for hymn #729 in the Father Brébeuf Hymnal. The hymn is “O Jesus Christ, Remember.” I’m toying with the idea of creating a whole bunch of these, to help amateur organists. The last one I uploaded was downloaded more than 1,900 times in a matter of hours—so there seems to be interest in such a project. For the record, this famous text is often married to AURELIA, as it is in the Brébeuf Hymnal. The lyrics come from the pen of Father Edward Caswall (d. 1878), an Oratorian priest.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of November (2025)
    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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Gospel Options for 2 November (“All Souls”)
    We’ve been told some bishops are suppressing the TLM because of “unity.” But is unity truly found in the MISSALE RECENS? For instance, on All Souls (2 November), any of these Gospel readings may be chosen, for any reason (or for no reason at all). The same is true of the Propria Missæ and other readings—there are countless options in the ORDINARY FORM. In other words, no matter which OF parish you attend on 2 November, you’ll almost certainly hear different propers and readings, to say nothing of different ‘styles’ of music. Where is the “unity” in all this? Indeed, the Second Vatican Council solemnly declared: “Even in the liturgy, the Church has no wish to impose a rigid uniformity in matters which do not implicate the faith or the good of the whole community.”
    —Corpus Christi Watershed
    “Our Father” • Musical Setting?
    Looking through a Roman Catholic Hymnal published in 1859 by Father Guido Maria Dreves (d. 1909), I stumbled upon this very beautiful tune (PDF file). I feel it would be absolutely perfect to set the “Our Father” in German to music. Thoughts?
    —Jeff Ostrowski

Random Quote

Had the Church never spoken on this matter, it would still be repugnant to our Catholic people’s sense of what is fit and proper in the holiest of places, that a priest should have to struggle through the prayers of the Holy Mass, because of such tunes as “Alice, where art thou?” the “Vacant Chair,” and others of more vulgar title, which, through the carelessness or bad judgment of organists, sometimes find their way into our choirs.

— Preface to a Roman Catholic Hymnal (1896)

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