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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 · February 16, 2015

Photograph • Pius X Consecrating French Bishops

A beautiful photograph from Saint Peter’s Basilica on 25 February 1906.

Jeff Ostrowski · February 14, 2015

Controversy Over Female Altar Servers

“It will always be very appropriate to follow the noble tradition of having boys serve at the altar.” —Congregation for Divine Worship (15 March 1994)

Jeff Ostrowski · February 14, 2015

Vexilla Regis Prodeunt (Gregorian Hymn)

Oh, what a difference a thousand years makes…

Jeff Ostrowski · February 12, 2015

Musical Resources • Quinquagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Jeff Ostrowski · February 10, 2015

The Facts About Annibale Bugnini’s Death

The difference between correlation & causality.

Jeff Ostrowski · February 10, 2015

Teaching Polyphony To Singers Who Can’t Read Music

Your singers can’t read music? No problem!

Jeff Ostrowski · February 8, 2015

Musical Resources • Sexagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Jeff Ostrowski · February 4, 2015

Exclusive Interview With Dr. William Mahrt

Towards the end I ask the CMAA president a loaded question … and he answers!

Jeff Ostrowski · February 3, 2015

Palestrina “O Crux Ave” • Practice Videos

I’ve been yearning to sing this piece since 2002.

Jeff Ostrowski · February 2, 2015

Elvis Presley, Offertory Processions, & “Alius Cantus”

Offertory processions in the 1940s? Really?

Jeff Ostrowski · January 31, 2015

Musical Resources • Septuagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Jeff Ostrowski · January 28, 2015

Innocuous But Uninspired Music At Mass?

In my youth, I recall singing some of these same songs at Mass, but I refused to do the hand gestures.

Jeff Ostrowski · January 27, 2015

PDF Download: Eucharistic Verset By Palestrina

Your more advanced singers will love this piece by Palestrina!

Jeff Ostrowski · January 26, 2015

Father Richard McBrien & The Passing Of An Era

“My Roman collar is my television uniform.” —Fr. Richard McBrien

Jeff Ostrowski · January 24, 2015

PDF Download: Saint Rose Hymnal (1938)

“It contains about two hundred hymns—all from approved sources—and covers every phase of Catholic devotion.” —Foreword by the Bishop of La Crosse

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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 conciliar norms regarding reform of the liturgy have given the choir’s function greater prominence and importance. The choir is responsible for the correct performance of the parts that belong to it…”

— “Musicam Sacram” (5 March 1967)

Recent Posts

  • Inspiring Paper from a Graduating High School Senior
  • Entrance Chant • Before or After Opening Hymn?
  • “Unfair Characterization” • (But Good Question)
  • “Thee” + “Thou” + “Thine”
  • PDF Download • “For Pentecost Sunday”

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