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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 · December 18, 2014

PDF Download: Dominican Breviary From 1967

The book is so large, it must be downloaded in sections.

Jeff Ostrowski · December 18, 2014

Solemn High Christmas Midnight Mass • Hollywood

Oh, please help us spread this exciting news!

Jeff Ostrowski · December 17, 2014

PDF Download: Hymns of the Dominican Missal & Breviary • Fr. Aquinas Byrnes (1943)

Containing literal and poetic translations, author biographies, meter explanations, and much more!

Jeff Ostrowski · December 17, 2014

How Well Did Your Parents Know The Mass?

PDF Download: Order of Mass (Latin & English) printed in THE CROWN HYMNAL of 1911.

Jeff Ostrowski · December 15, 2014

“The Gloves Are Off” — Jonathan Gruber & The Traditional Mass

“The faith of many was quite infantile, I would say.” —Paul Inwood, talking about preconciliar Catholics

Jeff Ostrowski · December 13, 2014

“The Experience After The Council Was So Strong And In Some Cases Violent…” —Cardinal Burke

6 December 2014 interview with Raymond Leo Cardinal Burke by GloriaTV.

Jeff Ostrowski · December 13, 2014

Musical Resources • 3rd Sunday of Advent

Including “Creator Alme Siderum” with English Translation by Rev. Adrian Fortescue.

Jeff Ostrowski · December 11, 2014

What They Didn’t Tell You About Psalm Tone VIII

Even the “Liber Usualis” omits critical information about Tone VIII.

Jeff Ostrowski · December 10, 2014

Review: An English Gradual (Belmont Abbey, 2013)

For myself, I prefer the liturgy entirely in Latin or entirely in the vernacular. Others will disagree.

Jeff Ostrowski · December 9, 2014

Any Hope For Modern Catholic Hymnody? Yes!

Major publishers include Haugen’s verse “not in some heaven, light-years away”—what can be done about it?

Jeff Ostrowski · December 8, 2014

The Polyphonic Piece Your Choir Has Been Desiring!

As an added bonus, the score contains solfege markings!

Jeff Ostrowski · December 6, 2014

Musical Resources • 2nd Sunday of Advent

Including scores, audio files, and organ accompaniments.

Jeff Ostrowski · December 5, 2014

Latin Mass In Los Angeles • THIS SUNDAY!

“I’m not one of those Novus Ordo = bad, Tridentine = good people…” —Carlos de Quesado

Jeff Ostrowski · December 3, 2014

The Actual Authentic Writing Of Palestrina

Colin Mawby, former Master of Music at Westminster Cathedral, travels to Rome in this video, letting you see an original manuscript of Palestrina.

Jeff Ostrowski · December 1, 2014

The Current Missal Specifies When To Face the Altar & When To Face The People

The phrase “ad populum conversus” does appear in the postconciliar books, and no amount of polemical articles can change this fact.

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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

“No official approbation is required for hymns, songs, and acclamations written for the assembly.”

— Statement by the “Bishops’ Committee on the Liturgy” (10-NOV-1996)

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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