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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 · July 22, 2024

“Death Stops Us. It Stops Our Race.”

“One builds a house, and its roof is not finished; another buys merchandise, and it is not yet sold.” —Cardinal Newman

Jeff Ostrowski · July 20, 2024

21 July 2024 • “Musical Plan” (English)

Some of our readers expressed interest in what I’m doing for the 16th Sunday in Ordinary Time, Year B. You are welcome to download my musical outline for tomorrow, which is Sunday (21 July 2024). I’ve only been at this job a few weeks—so I don’t have a choir yet. But that will come!

Jeff Ostrowski · July 19, 2024

PDF Download • “Plainsong Propers” (1964) — Extremely Rare!

English Gregorian Chant by the Sisters of the Most Precious Blood (O’Fallon, Missouri)

Jeff Ostrowski · July 16, 2024

“Soul of my Savior” arranged for 3 voices

Many readers watched this video, which was a iPhone recording from last Sunday of three young women singing “Soul of my Savior” arranged for three equal voices by Miss Helen Drost. People have been asking where they can get the musical score. Please know it can be instantly downloaded by clicking here.

Jeff Ostrowski · July 15, 2024

What Can You Do With Three Voices?

Some spend their days giving “hot takes” online—but others build the kingdom of God.

Jeff Ostrowski · July 13, 2024

Musical Plan (English) for 14 July 2024

I’m not sure whether anyone wants to peruse my musical outline for tomorrow—which is Sunday, 14 July 2024 (15th Sunday in Ordinary Time, Year B)—but if you would like to, you can download this PDF document (2 pages). I’ve only been at this job less than two weeks—after spending ten years in Los Angeles—so I […]

Jeff Ostrowski · July 11, 2024

Introit • “15th Sunday in Ordinary Time”

Mr. Ostrowski shares a ‘quick thought’ regarding the topic of the sacred liturgy.

Jeff Ostrowski · July 11, 2024

Reminder!

Sometimes men—usually not women—brag publicly about how much money they make. It’s important to remember that everything (everything) comes from God, and we’ll be held responsible for every cent. Anything we currently possess is only thanks to God, Who gave us our bodies, minds, health, energy … indeed, our very existence. Only a foolish and […]

Jeff Ostrowski · July 9, 2024

PDF • “Gregorian Missal” (712 Pages)

Several readers have requested the URL link to download the GREGORIAN MISSAL (Solesmes Abbey, 1989) in PDF format. All you have to do is click here. The book was professionally scanned and made available online by the Church Music Association of America on 21 January 2009.

Jeff Ostrowski · July 9, 2024

Live Recording • “Entrance Chant” (14th Sunday in Ordinary Time, Year B)

In the 1970s, some musicians felt that annihilating the Mass propers would lead to “freedom”—but the opposite was true.

Jeff Ostrowski · July 7, 2024

PDF Download • {English Mass} This Sunday

Those who wish to do so may download the Order of Music I’m using for the 14th Sunday in Ordinary Time, Year B (English Masses). Including plainsong in English, wonderful hymns, settings of the Ordinary in both Latin & English, and even a motet by Kevin Allen.

Jeff Ostrowski · July 6, 2024

PDF • “14th Sunday in Ordinary Time”

This Sunday I begin service at my new church in Michigan. If you’re curious about the musical lineup for the Spanish Mass, feel free to download the Order of Music I created for the 14th Sunday in Ordinary Time, Year B. I tried to be sensitive to what the parish was doing before my arrival […]

Jeff Ostrowski · July 4, 2024

PDF Download • “Entrance Chant” — 14th Sunday in Ordinary Time (Year B)

I’d love to hear you sing this!

Jeff Ostrowski · July 3, 2024

PDF Download • “Funeral Music List” (17 Pages)

What we do undeniably involves a type of “performance.”

Jeff Ostrowski · June 20, 2024

Jeff Has Left Los Angeles • “Final Communion”

We complain about the abysmal state of music in the Catholic Church—yet we ought to rejoice!

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Corpus Christi Watershed

President’s Corner

    PDF Download • “For Pentecost Sunday”
    Yesterday morning, I recorded myself singing the ENTRANCE CHANT for Pentecost Sunday while simultaneously accompanying myself on the pipe organ. Click here to see how that came out. At the end of the antiphon, there’s a triple Allelúja and I just love the chord at the end of the 2nd iteration. The organ accompaniment—along with the musical score for singers—can be downloaded free of charge at the flourishing feasts website. For the record, the antiphon on Pentecost Sunday doesn’t come from a psalm; it comes from the book of Wisdom.
    —Jeff Ostrowski
    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski

Quick Thoughts

    “Thee” + “Thou” + “Thine”
    Few musicians realize that various English translations of Sacred Scripture were granted formal approval by the USCCB and the Vatican for liturgical use in the United States of America. But don’t take my word for it! Here are four documents proving this, which you can examine with your own eyes. Some believe the words “Thine” and “Thou” and “Thee” were forbidden after Vatican II—but that’s incorrect. For example, they’re found in the English translation of the ‘Our Father’ at Mass. Moreover, the Revised Standard Version (Catholic Edition) mentioned in those four documents employs “Thine” and “Thou” and “Thee.” It was published with a FOREWORD by Westminster’s Roman Catholic Archbishop (John Cardinal Heenan).
    —Jeff Ostrowski
    “Reminder” — Month of May (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
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski

Random Quote

If it is the explicit will of the Council that the faithful are to be able to sing the “Gloria” or the “Credo” together in Latin [which it is] then indirectly there is being expressed here the obligation of regularly celebrating Mass with Latin Gregorian chant. And not merely occasionally, but with such frequency and constancy as to make the singing of these Latin texts a genuine possession of the faithful.

— Heinrich Flatten, Apostolic Protonotary & Canon Law Professor (Bonn)

Recent Posts

  • “Unfair Characterization” • (But Good Question)
  • “Thee” + “Thou” + “Thine”
  • PDF Download • “For Pentecost Sunday”
  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations

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