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Corpus Christi Watershed

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 23, 2024

Priest Demands Musician’s Resignation • (No Reason Given)

“Our priest was delighted with the program, or so it appeared. During Holy Week he asked me to resign (which I did). He gave no reason and would not even discuss the issue.”

Jeff Ostrowski · September 19, 2024

Music List • (25th Sund. Ordinary Time)

Readers have expressed interest in looking over the “music list” I have prepared for this coming Sunday.

Jeff Ostrowski · September 16, 2024

“Entrance Chant” • For Sunday (22-Sep-2024)

This one’s in Mode 4—and it imitates the authentic Gregorian chant in a magnificent way.

Jeff Ostrowski · September 14, 2024

A Real Advantage!

Before the internet, certain translators could easily “pull the wool over” unsuspecting eyes.

Jeff Ostrowski · September 12, 2024

Music List • (24th Sund. Ordinary Time)

Readers have expressed interest in looking over the “music list” I have prepared for this coming Sunday.

Jeff Ostrowski · September 11, 2024

Musical Setting • “Confíteor Déo Omnipoténti”

The participants went nuts over this musical setting. They just couldn’t get enough of it!

Jeff Ostrowski · September 10, 2024

PDF Download • “Entrance Chant” for the 24th Sunday in Ordinary Time (Plainchant in English)

Today I discuss a myth about accompanying plainsong on the pipe organ.

Jeff Ostrowski · September 7, 2024

Music List • (23rd Sund. Ordinary Time)

This coming Sunday (8 September 2024) is the 23rd Sunday in Ordinary Time, Year B. Some have expressed interest in seeing my “ORDER OF MUSIC.” If such a thing be appealing to you, it can be downloaded as a PDF file.

Jeff Ostrowski · September 6, 2024

Communion • (23rd Sunday in Ordinary Time)

This coming Sunday (23rd Sunday in Ordinary Time) we’re singing the Communion antiphon in English as adapted by the SISTERS OF THE MOST PRECIOUS BLOOD (O’Fallon, Missouri). Their enormous body of work is usually referred to as The O’Fallon Propers. Click here to download this Communion as a PDF file. (For the record, I couldn’t […]

Jeff Ostrowski · September 6, 2024

“Spanish Entrance Hymn” • (You Might Enjoy This)

Javier R. wrote to us: “One thing that caught my eye—and which I’ve been wrestling with—is how to fit Hymns with Antiphons, especially during the entrance procession.”

Jeff Ostrowski · September 5, 2024

“Entrance Chant” • For Sunday (8-Sep-2024)

Coming up fast is Sunday, 8 September 2024, which is the 23rd Sunday in Ordinary Time. Here’s the PDF file for the ENTRANCE ANTIPHON—in Gregorian notation on five lines—which we’ll be singing. You can also download this organ accompaniment which corresponds to that file. Plainchant scholars will be interested in the ancient version it mimics […]

Jeff Ostrowski · August 31, 2024

Musical Lineup • (22nd Sund. Ordinary Time)

Jeff’s musical lineup for Sunday, 1 September 2024.

Jeff Ostrowski · August 30, 2024

PDF • “Lamb of God” Harmonization

Harmonized—and carefully notated—in Spanish, English, and Latin.

Jeff Ostrowski · August 30, 2024

Repository • “Spanish Order of Music” (Sainte Marie)

I’ve been creating these for our Spanish Masses. They aren’t perfect—but I’ve also seen worse.

Jeff Ostrowski · August 30, 2024

Leaked Document! • Comparison Chart—New Responsorial Psalms (“Abbey Psalms & Canticles”)

The NAB tried to use “overly casual” language—and the results are often an abomination.

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Corpus Christi Watershed

President’s Corner

    PDF • “Music List” (4th Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 21 December 2025, which is the 4th Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is the famous “Roráte Coeli” 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
    PDF • Our Lady of Guadalupe (12 Dec.)
    The Responsorial Psalm may be downloaded as a PDF file (organist & vocalist) for 12 December, which is the Feast of Our Lady of Guadalupe. When it comes to the formulary for this Mass, it’s astounding how infrequently it’s included in official books. Prior to Vatican II, one had to search through “supplemental material” printed in the back of hand-missals and graduals. But since 1970, the feast is virtually nonexistent. According to the UNIVERSAL KALENDAR, 12 December is the “Feast of Saint Jane Frances De Chantal, Religious” (Die 12 decembris: S. Ioannæ Franciscæ de Chantal, religiosæ). Why should that feast overpower Our Lady of Guadalupe? In the United States, OLG is celebrated—and I’d assume in Mexico, Central America, South America, and Canada—but, as I said, the Propria Missae are virtually impossible to locate. I possess only three books which mention this feast.
    —Jeff Ostrowski
    Simplified Accompaniment (Advent Hymn)
    Many organists are forced to simultaneously serve as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult. I invite you to download this simplified organ accompaniment (PDF) which in the Father Brébeuf Hymnal is hymn #661: “Come, Thou Long-Expected Jesus” (for ADVENT). 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 2,900 times in a matter of hours—so there appears to be interest.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Santo Santo Santo”
    Those searching for a dignified, brief, simple, bright setting of SANCTUS in Spanish (“Santo Santo Santo”) are invited to download this Setting in honor of Saint John Brébeuf (organist & vocalist). I wonder if there would be any interest in me recording a rehearsal video for this piece.
    —Jeff Ostrowski
    Pope Leo XIV on Sacred Music
    On 5 December 2025, Pope Leo XIV made this declaration with regard to liturgical music.
    —Corpus Christi Watershed
    “Translations Approved for Liturgical Use”
    According to the newsletter for USSCB’s Committee on Divine Worship dated September 1996, there are three (3) translations of the Bible which can be used in the sacred liturgy in the United States. You can read this information with your own eyes. It seems the USCCB and also Rome fully approved the so-called NRSV (“New Revised Standard Version”) on 13 November 1991 and 6 April 1992 but this permission was then withdrawn in 1994.
    —Corpus Christi Watershed

Random Quote

“I examined him in your presence, and could find no substance in any of the charges you bring against him; nor could Herod, when I referred you to him. It is plain that he has done nothing which deserves death. I will scourge him, and then he shall go free.”

— Pontius Pilate

Recent Posts

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  • PDF • “Music List” (4th Sunday of Advent)
  • PDF Download • “Santo Santo Santo”
  • Crucial Tips • “Teaching Children How to Sing”

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