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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

Dr Theodore Marier

Guest Author · March 6, 2024

Saint Paul’s Choir School • “My Reflections”

Saint Paul’s Choir School is the only all boys Catholic choir school in the nation.

Richard J. Clark · July 26, 2023

Theodore Marier Is the Most Important Liturgical Musician—Even Today.

“The more I learn about Marier, the more I am inspired to be a better human being.” —Richard J. Clark

Jeff Ostrowski · June 30, 2023

“Six Suggestions” • Working with Volunteer Choirs

One priest on this committee said something I’ll never forget…

Jeff Ostrowski · May 11, 2023

PDF Download • Extremely Rare! Organ Accompaniment Book (165 pages)

Including an “added bonus” I discovered while researching Julius Bas (an Italian musicologist and organist).

Jeff Ostrowski · March 21, 2023

“Go!” • The Word That Changed My Life Forever

As Americans, we’re “bred from birth” to think of ourselves as little gods who already know everything and require no correction.

Jeff Ostrowski · February 23, 2023

Marier’s Majestic Music • In Singapore?

“One person I spoke to frequently—although I never met him…” (?)

Jeff Ostrowski · February 15, 2023

PDF • 2014 Dissertation: “Plainchant Influence on the Liturgical Music of Dr. Marier” (324 pages)

This treatise (324 pages) is a “must read” for anyone who cares about liturgical music in the Catholic Church.

Jeff Ostrowski · August 4, 2021

It Finally Happened.

Father Valentine used to say: “The cemeteries are full of people who thought they were indispensable.”

Follow the Discussion on Facebook

Jeff Ostrowski · June 29, 2021

“Talk Is Cheap” • Advice For Music Directors

If you fail to carefully plan your rehearsal, you’ll be eaten alive. And rightfully so!

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Jeff Ostrowski · June 15, 2021

Hymn • “Christ is King” (Father Ivor Daniel) + Rehearsal Videos!

“Once there were lost islands, but most of them have been found…”

Jeff Ostrowski · May 21, 2021

“Veni Sancte Spiritus” (Sequence) • 18 Accompaniments

The Pentecost Sequence harmonized by Father Green, Father Jones, Dom Gregory Murray, Max Springer, Achille P. Bragers, and more!

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Jeff Ostrowski · December 22, 2020

“Improving As Musicians” • Eight Suggestions

Did you know I communicate with dead Catholic composers? I’m not joking.

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Guest Author · June 7, 2020

“Comparison” • 15 Traditional Catholic Hymnals

Covid-19 has forced many parishes to remove all hymnals from their pews: A perfect opportunity for change!

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Corpus Christi Watershed

President’s Corner

    Music List • “Ascension of the Lord”
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for the The Ascension of the Lord—“Festum Ascensionis Domini”—which is transferred to 17 May 2026 in our diocese. Please feel free to download it as a PDF file if such a thing interests you. The OFFERTORY (“Ascéndit Deus in jubilatióne”) is particularly beautiful and the ENTRANCE CHANT is simply splendid. As always, readers may go directly to the flourishing feasts website, where the complete Propria Missae may be downloaded free of charge.
    —Jeff Ostrowski
    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

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 say it plainly: the Roman rite as we knew it exists no more. It has gone. Some walls of the structure have fallen, others have been altered—we can look at it as a ruin or as the partial foundation of a new building. Think back, if you remember it, to the Latin sung High Mass with Gregorian chant. Compare it with the modern post-Vatican II Mass. It is not only the words, but also the tunes and even certain actions that are different. In fact it is a different liturgy of the Mass.”

— Fr. Joseph Gelineau (1978)

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