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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 · April 17, 2015

Reflections Upon The Death Of Francis Cardinal George This Morning At 10:45am

Someone told me in advance the cardinal was a trained musician; he certainly was!

Jeff Ostrowski · April 16, 2015

Is This The World’s Greatest Cry Room?

An usher approached me, tapping on my shoulder. This was the last straw.

Jeff Ostrowski · April 14, 2015

Should Church Singers Be Paid?

Practice Videos for KYRIE “Impleta Sunt”—based on a piece by Giovanni Pierluigi da Palestrina.

Jeff Ostrowski · April 13, 2015

Nixon, Watergate, & Singing The Mass Propers

Ehrlichman, Haldeman, Dean, Nixon, and others made tons of money writing and speaking about Watergate.

Jeff Ostrowski · April 13, 2015

Don’t Tell Me What You Can Do: Show Me

Directing a choir is extremely difficult. The obstacles often seem insurmountable.

Jeff Ostrowski · April 13, 2015

Cardinal Dolan Vested In Ferriola?

Can someone who knows about vestments confirm this?

Jeff Ostrowski · April 12, 2015

Musical Resources • Low Sunday (a.k.a. “Divine Mercy Sunday” or “Quasimodo” or “White Sunday”)

The organ is back!

Jeff Ostrowski · April 9, 2015

Easter Vigil Readings With Dancer • St. Patrick Catholic Church (Seattle, Washington)

I was surprised to see composer David Haas comment on facebook in support of this.

Jeff Ostrowski · April 9, 2015

First Look Images! • “Proper Of The Mass” By Fr. Samuel F. Weber

This 1,292 page book is much thinner than I had anticipated.

Jeff Ostrowski · April 8, 2015

Fascinating Videos From 1958 • Mass Sung In English!

A “Dialogue” Low Mass with singing (c. 1958) by choristers of St Mary’s Cathedral, Sydney.

Jeff Ostrowski · April 7, 2015

Photographs • FSSP Holy Triduum in Los Angeles (2015)

Notice how the priest, dressed in cope, is engulfed in darkness at the beginning of the Easter Vigil—except for candles burning.

Jeff Ostrowski · April 7, 2015

It Has Arrived! • “Proper of the Mass” (Ignatius)

You will notice that Fr. Weber’s version sounds quite similar to the authentic Latin chant.

Jeff Ostrowski · April 6, 2015

Can You Love Liturgy Too Much?

Should we assume malice on the part of those who denigrate the Traditional Mass?

Jeff Ostrowski · April 6, 2015

Jaw-Dropping Liturgical Manuscripts (7,055 Pages)

Catholics can now *see with their own eyes* the antiquity of our liturgy.

Jeff Ostrowski · April 4, 2015

Rough PDF • Rubrics & Music, Holy Saturday (1962)

I don’t usually release “rough cut” PDF files, but this one is so valuable…

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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

“We must acknowledge that We have been somewhat disturbed and saddened by these requests. One may well wonder what the origin is of this new way of thinking and this sudden dislike for the past.” [Paul VI responding to requests from monks asking permission to remove Latin from the Divine Office.]

— Pope Saint Paul VI (15 August 1966)

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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