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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 · May 24, 2016

O Salutaris Hostia • Do You Like This Version?

Download this 47-page booklet … and please pardon any typos!

Jeff Ostrowski · May 18, 2016

May Crowning • The Official Antiphon

Do you agree this is a dark antiphon?

Jeff Ostrowski · May 16, 2016

The Terrifying “But” Of Vatican II

Only four (4) bishops voted against the Vatican II document on liturgy.

Jeff Ostrowski · May 15, 2016

Blast From The Past!

What did the Traditional Latin Mass look like sixteen years ago?

Jeff Ostrowski · May 13, 2016

Musical Resources • Pentecost Sunday

“O God, Who on this day didst instruct the hearts of the faithful by the light of the Holy Spirit…”

Jeff Ostrowski · May 11, 2016

Rehearsal videos • “Come, Holy Ghost” (SATB)

Pentecost is coming—are you ready?

Jeff Ostrowski · May 10, 2016

Fox News • “Rise of the Latin Mass”

“To be honest, I wasn’t a fan at first…but now I love it.” —Brenda DiGirolamo

Jeff Ostrowski · May 8, 2016

Musical Resources • Sunday after the Ascension (Extraordinary Form)

“Almighty and eternal God, make us ever bear a devout affection toward Thee…”

Jeff Ostrowski · May 7, 2016

A Special “Gaudeamus” For 31 May

Nobody has been able to explain why they changed the psalm verse…

Jeff Ostrowski · May 4, 2016

Does Gregorian Chant Work In English?

“In a musical phrase, each element is a part of the whole and must take its place in that whole.” —Dom Gajard

Jeff Ostrowski · May 2, 2016

What Modern Man Cannot Ever Accept: SILENCE

“I believe that more and more people will start to come to this, if nothing else because they wish to find a way in their world to carve out quiet time.”

Jeff Ostrowski · May 1, 2016

Musical Resources • St. Joseph the Worker (1 May)

“Grant, O Lord, that what we have received may—by the intercession of blessed Joseph—crown our work and confirm our reward…”

Jeff Ostrowski · April 27, 2016

Propers for St. Joseph the Worker

This Sunday falls on May 1st, so the EF feast is “St. Joseph the Workman.”

Jeff Ostrowski · April 25, 2016

Rehearsal videos • “Veni Creator Spiritus” (Fauxbourdon)

Modern ears don’t always enjoy the sound of extremely ancient music—do you?

Jeff Ostrowski · April 24, 2016

Musical Resources • Fourth Sunday after Easter (Extraordinary Form)

“…grant Thy peoples that they may love what Thou commandest and desire what Thou dost promise…”

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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

“During Lent…the use of musical instruments is allowed only so as to support the singing. Nevertheless, Laetare Sunday (the Fourth Sunday of Lent), Solemnities and Feasts are exceptions to this rule.”

— ‘Roman Missal, 3rd Edition (2011)’

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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