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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 · August 19, 2020

JP2 said in June of 1980…

Pope Saint John Paul II said in June of 1980: “To the extent that the new sacred music is to serve the liturgical celebrations of the various churches, it can and must draw from earlier forms—especially from Gregorian chant—a higher inspiration, a uniquely sacred quality, a genuine sense of what is religious.”

Jeff Ostrowski · August 19, 2020

18 August 2020 • Fr. Fortescue wins!

The index for the Brébeuf hymnal has beautiful capital letters, and I had previously believed our creation to be unique. However, it seems Fr. Adrian Fortescue beat us. (Deep sigh.) You can see that the index for his book, Ceremonies of the Roman Rite Described, is quite beautiful, and uses the capital letters I spoke […]

Jeff Ostrowski · August 18, 2020

“Homily for the 12th Sunday after Pentecost” (EF) • Father Valentine Young, OFM

“I considered myself privileged to be Pastor at one of the places in Houck, Arizona, where Saint Katherine Drexel built a church and grade school.”

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Jeff Ostrowski · August 16, 2020

3 September 1958 • “De musica sacra”

From the 1958 Instruction published under Pope Pius XII: “If the faithful are to communicate, the singing of the Communion antiphon is to begin when the priest distributes Holy Communion. If this Communion antiphon has been taken from some psalm, the other verses of the same psalm may be sung, in which case the antiphon […]

Jeff Ostrowski · August 16, 2020

3 September 1958 • Issued by Pius XII

The Sacred Congregation for Rites issued De musica sacra et sacra liturgia (“Instruction on Sacred Music and Sacred Liturgy”) on 3 September 1958. An excerpt: Finally, perfect active participation is achieved when there is also sacramental participation, by which “the faithful who are present communicate not only with spiritual affection, but also in reception of […]

Jeff Ostrowski · August 14, 2020

“Homily — 20th Sunday in Ordinary Time, Year A” • Father Valentine Young, OFM

“I had a brother who was married outside the Church and had stopped going to Church for about thirty years…”

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Jeff Ostrowski · August 14, 2020

13 August 2020 • “Lenten acclamations”

Where do the Latin acclamations come from, which replace the “Alleluia” during Lent? The traditional Divine Office replaces Alleluia with “Laus tibi Domine Rex aeternae gloriae.” Here’s a piece of paper that has all possible Ordinary Form “Lenten acclamations” in Latin.

Jeff Ostrowski · August 13, 2020

“Crown Him with Many Crowns” (Diademata) • Brébeuf Hymnal #752

Big news! They discovered why Franz Schubert’s “Unfinished Symphony” was never completed!

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Jeff Ostrowski · August 12, 2020

These kids are on fire! • “Victimæ Paschali Laudes” by Philippe Verdelot

I don’t know a more beautiful, gorgeous, memorable 15 seconds than the beginning of Part 2—stunning!

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Jeff Ostrowski · August 10, 2020

10 August 2020 • FEEDBACK

A reader wrote to us: “I just wanted to send you a message and let you know I REALLY like the compositions on your website. You have a very rich harmonic language in your choral writing. The work you do is so appreciated and important!”

Jeff Ostrowski · August 9, 2020

PDF Download • “Veni Creator Spiritus” Organ Accompaniment (Each Verse Notated)

Accompaniment to the hymn “Veni Creator Spiritus” with all the verses written out (composed by Jeff Ostrowski).

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Jeff Ostrowski · August 7, 2020

Vexing? Irksome? • Thoughts On Hymnal Indexes

Most people comb desperately through the final pages, seeking the correct section…

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Jeff Ostrowski · August 6, 2020

Allowed or Forbidden? • Parallel Fourths in Renaissance Polyphony

Article Subtitle: “Brave schola director posts live recording from rehearsal.”

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Jeff Ostrowski · August 4, 2020

4 August 2020 • FEEDBACK

A reader wrote to us: “I must confess to taking oodles of inspiration from the work that you do. When I first found your website it was a revelation. I’ve been a monthly donor ever since. I think the work that you do is absolutely VITAL. There are so many things I’d have never been […]

Jeff Ostrowski · August 1, 2020

1 August 2020 • FEEDBACK

K.S. in Rochester, New York, wrote to us: “Your website is outstanding. It is a rich mine for information and liturgical music. Glad I found it. I’m a retired former orchestra conductor and church music director and organist. While I’m no longer an active church music director and organist (after 45 years with a variety […]

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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

    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

“Iconographic tradition has theologically interpreted the manger and the swaddling cloths in terms of the theology of the Fathers. The child stiffly wrapped in bandages is seen as prefiguring the hour of his death: from the outset, he is the sacrificial victim, as we shall see more closely when we examine the reference to the first-born. The manger, then, was seen as a kind of altar.”

— Pope Benedict XVI (2012)

Recent Posts

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  • PDF Download • “Pange Lingua” in Simple (Contemporary) Polyphony for Three Voices

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