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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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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 28, 2020

Anger at mistakes?

I have a bad habit of getting frustrated when choir members take a long time to learn a particular interval or entrance. But this can be “cured.” It was cured a few weeks ago, when I made a mistake. I was supposed to go down a minor third, but instead I went down a perfect […]

Jeff Ostrowski · January 27, 2020

Photograph • Fr. Valentine w/ Composer Kevin Allen

Please keep Fr. Valentine in your prayers—thank you!

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Jeff Ostrowski · January 26, 2020

“The old man carried the Child, but the Child led the old man.”

The Antiphon for First Vespers of the Feast of the Purification (February 2nd) is beautiful: “The old man carried the Child, but it was the Child who was guiding the old man. The Virgin bore the Child, and after child-bearing was virgin still: whom she bore, him she adored.” —Senex púerum portábat, puer autem senem […]

Jeff Ostrowski · January 23, 2020

A quote from Fr. Valentine Young

I had one brother who was out of the church for quite a few years. When my mother was asked, “Did she worry about him?” I remember her answer: “I don’t worry about him; I just pray for him.” She left that in God’s hands. My mother did not live to see her son return […]

Jeff Ostrowski · January 23, 2020

Extremely Rare! • 1908 Solesmes Graduale (PDF Download)

I’ve been searching for this book for twenty years! • For the first time in history, the Graduale Romanum from 1908 (with Solesmes rhythmic markings) has been scanned and uploaded • Includes copious and detailed information about the rhythm of the Editio Vaticana (“Vatican Edition”) you won’t find anywhere else+

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Jeff Ostrowski · January 23, 2020

“Theoricam practicamque”

In a book printed by Solesmes Abbey in 1902, “Kyrie Rex Genitor” is also called Theoricam practicamque. Can anyone explain why? And how does that translate into English? “Theoricam practicamque vitam regens Deus Pater.”

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Jeff Ostrowski · January 21, 2020

This old holy card says it all…

For priests, it reads: “In memory of that day on which was given what is not given to angels—that I should offer God to God.”

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Jeff Ostrowski · January 21, 2020

PDF Download • “Lucis Creator Optime” (Vespers Hymn)

I followed the “Brébeuf hymnal method,” in which every verse is written out…

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Jeff Ostrowski · January 20, 2020

Comparison • “1909 Missal vs. 1999 Missal”

A picture is truly worth 1,000 words!

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Jeff Ostrowski · January 20, 2020

Fr. Valentine Young, OFM — R.I.P.

Father Valentine Young, OFM—a faithful Catholic priest—died on 17 January 2020 around 8:00am.

Jeff Ostrowski · January 17, 2020

A quote from Fr. Valentine

Speaking of “nihil solliciti estis,” Fr. Valentine recently said: “I’ll bet that most people, including myself, have suffered more from things that never happened than from things that actually did happen.” Wise words!

Jeff Ostrowski · January 16, 2020

Circle is complete

This is interesting! We have made it all the way around the liturgical year for Vespers organ accompaniments—which means all we have to do now is fill in the “holes,” such as Candlemas.

Jeff Ostrowski · January 16, 2020

(2007) Fr. Valentine Young Speaks About Religious Habits In The 1960s

I desire to post more of these fascinating videos, as soon as I can find the time.

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Jeff Ostrowski · January 16, 2020

Fr. Valentine is very sick

I beg you to pray for Fr. Valentine Young, OFM, who I am told is dying (or may possibly have died already). He’s one of the most faithful & generous priests I know. There would be no CCWatershed without Fr. Valentine.

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Jeff Ostrowski · January 16, 2020

Website progress update

As of 15 January 2020, the website is still under construction. We have made progress, but there is still much to do. We thank James Doherty and Veronica Brandt for their generous assistance!

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Corpus Christi Watershed

President’s Corner

    Music List • “Ascension of the Lord”
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for the The Ascension of the Lord—“Festum Ascensionis Domini”—which is transferred to 17 May 2026 in our diocese. Please feel free to download it as a PDF file if such a thing interests you. The OFFERTORY (“Ascéndit Deus in jubilatióne”) is particularly beautiful and the ENTRANCE CHANT is simply splendid. As always, readers may go directly to the flourishing feasts website, where the complete Propria Missae may be downloaded free of charge.
    —Jeff Ostrowski
    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

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

“The council did not say Latin should be abolished. It said Latin should be used. […] While at Ecclesia Dei, I once received a letter from a chancery office in the United States, asking me if I didn’t know that the council had abolished Latin!”

— Cardinal Mayer, Prefect (1985–1988) of the Vatican’s Congregation for Divine Worship

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