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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 · April 7, 2020

Banning “Ad Orientem” • Six Regrettable Mistakes by the Bishop of Boise, Idaho

Nobody’s perfect; we all make mistakes. His Excellency’s letter must be retracted as soon as possible.

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Jeff Ostrowski · April 6, 2020

CCW President on “Real Presence Radio”

Mr. Matthew L. Willkom and Fr. Randall Kasel (Pastor, St. Michael in Pine Island, MN) interviewed Jeff Ostrowski a few weeks ago.

Jeff Ostrowski · April 6, 2020

“Daily I sat in the temple, close to you…”

Fulton J. Sheen always said the “very best translation” of Sacred Scripture was the version by Monsignor Ronald Knox, and here’s what Knox had for the Passion read today (Pre-1955 Palm Sunday): “And Jesus said to the multitude at that hour, You have come out to my arrest with swords and clubs, as if I […]

Jeff Ostrowski · April 5, 2020

PDF Download • “Pre-1955 Holy Saturday” (Draft)

Today, I release something I probably shouldn’t—because it’s “not ready for Prime Time.”

Jeff Ostrowski · April 2, 2020

What a young Father Morales wrote for Charles V

I prefer this old recording—but there are plenty of modern recordings available if you don’t like it.

Jeff Ostrowski · April 1, 2020

Hymn: “All glory, laud, and honor to Thee, Redeemer, King” (Sopr, Alto, Tenr, Bass)

Today, rehearsal videos were uploaded for each *individual* voice part: Soprano, Alto, Tenor, Bass.

Jeff Ostrowski · March 31, 2020

Sacred Music Symposium • “What We Avoid”

I wish we had to time to discuss artwork at the Sacred Music Symposium, but there’s just not enough time. At this year’s conference in June, we will sing an absolutely incredible Magnificat setting by Father Francisco Guerrero (d. 1599). If you examine the part books, you will notice a marvelous aesthetic desire to avoid […]

Jeff Ostrowski · March 31, 2020

Going Beyond Archbishop Fulton Sheen’s “Take”

Sheen has sometimes been criticized for avoiding mention of the sacred liturgy during his talks, but I cannot agree with such a view. • Includes about the Holy Eucharist, including a quote by Father Leslie Rumble and a quote from Pope Pius X+

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Jeff Ostrowski · March 29, 2020

“Abraham” • Guerrero Imitates His Teacher

Father Francisco Guerrero (d. 1599) studied music with Father Cristóbal de Morales circa 1545. He taught himself the organ. On 3 April 1542 he was engaged as a contralto by Seville Cathedral at an annual salary of 12,000 maravedís. He remained there until 1546, when, at the age of only 17, he was invited—on the […]

Jeff Ostrowski · March 27, 2020

HYMN • “Vexilla Regis” (SATB setting in English)

Father Adrian Fortescue (d. 1923) called this “perhaps the greatest of all hymns.”

Jeff Ostrowski · March 26, 2020

“Jesus Christ Is Risen Today” (Brébeuf Hymnal, #699)

During Advent, choirmasters must plan Christmas. During Lent, choirmasters must plan Easter. And so on.

Jeff Ostrowski · March 26, 2020

Too much music!

Choosing music for the Sacred Music Symposium requires careful consideration.  We make sure (always) to have great variety. Because the schedule is so full, there’s never sufficient time to discuss the music fully—indeed, we could easily do a month-long seminar on each piece!  For example, last year Dr. Calabrese conducted a setting of the Magnificat […]

Jeff Ostrowski · March 24, 2020

Repeating Repertoire? • Jeff Ostrowski

There’s an old saying: “Show me your friends, and I will tell you who you are.”

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Jeff Ostrowski · March 24, 2020

PDF Download • “Ad Regias Agni Dapes” (Organ Accompaniment)

I composed this organ accompaniment yesterday, looking ahead towards Eastertide.

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Jeff Ostrowski · March 22, 2020

Readings & Prayers Used By My Family On Sunday…

Including Fulton J. Sheen, Charles de Foucauld, and a Homily by Father Valentine Young, OFM

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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

“The sun, at one moment surrounded with scarlet flame, at another aureoled in yellow and deep purple, seemed to be in an exceedingly swift and whirling movement, at times appearing to be loosened from the sky and to be approaching the earth, strongly radiating heat.”

— ‘Dr. Domingos Pinto Coelho, noted lawyer from Lisbon and chairman of the Bar Association (1917)’

Recent Posts

  • “Thee” + “Thou” + “Thine”
  • PDF Download • “For Pentecost Sunday”
  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations
  • Simplified Version • “Canon in D” (Pachelbel)

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