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Corpus Christi Watershed

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Views from the Choir Loft

Chaumonot Composers Group

Jeff Ostrowski · May 26, 2026

“Entrance Chant” • Feast of Corpus Christi

Very difficult to imagine a more gorgeous mode than Mode 7.

Jeff Ostrowski · May 5, 2026

“Englished” Gregorian Chant • 5 Considerations

This is the closest I’ve come to putting down on paper exactly what I heard in my head.

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Jeff Ostrowski · May 4, 2026

PDF Download • “Organ Accompaniment”

The following declaration will probably smack of “blowing my own horn.”

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Jeff Ostrowski · March 13, 2026

PDF Download • Communion (4th Snd. Lent)

There’s something irresistible about this tone.

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Jeff Ostrowski · February 27, 2026

Music List • (2nd Sunday of Lent)

Readers have expressed interest in examining my “music list” for this coming Sunday.

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Jeff Ostrowski · February 17, 2026

Music List • (1st Sunday of Lent)

Readers have expressed interest in examining my “music list” for this coming Sunday.

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Jeff Ostrowski · October 18, 2025

Fulton J. Sheen + this Sunday’s “Entrance Chant”

Gregorian melodies ‘stick’ in one’s memory in a way that’s both marvelous and surprising.

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Jeff Ostrowski · September 26, 2025

PDF Download • Communion (26th Sn. Ord.)

This Communion antiphon sparkles with beauty.

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Jeff Ostrowski · September 5, 2025

“Entrance Chant” • 23rd (Ordinary Time)

The Communion Chant includes gorgeous verses in fauxbourdon.

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Jeff Ostrowski · August 11, 2025

“Entrance Chant” • 21st Sunday Ordin. Time

This “Entrance Chant” is used during liturgical years A, B, and C.

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Jeff Ostrowski · May 6, 2025

Beginning a Men’s Schola

I feel like we have a great start…

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Jeff Ostrowski · May 2, 2025

Communion (3rd Sunday of Easter)

This piece is sung by either all men or all women.

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Jeff Ostrowski · April 15, 2025

PDF Download • Exceedingly Rare! — “The Torn Tunic” (122 pages) … published in 1967

Is Tito Casini correct that vernacular plainsong is a “sin against nature?”

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Jeff Ostrowski · April 11, 2025

PDF Download • “Communion” (Holy Thursday)

Its verses are quite beautiful.

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Jeff Ostrowski · April 9, 2025

PDF Download • “Offertory” (Palm Sunday)

Some believe that “joyful” texts sound happy in Gregorian Chant and “sad” texts sound mournful.

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Corpus Christi Watershed

President’s Corner

    Oldest Latin Eucharistic Hymnal
    The Church’s oldest Latin Eucharistic hymn is featured in the Brébeuf Hymnal. Indeed, the legendary Father Adrian Fortescue made a translation of it—matching the original’s meter—which was elevated by the Brébeuf team. For years, we’ve been working on a Spanish hymnal: “Cantoral del Padre Antonio Daniel.” The progress has been slow but steady, and we encourage anyone fluent in Spanish to consider joining the proofreading team. A few days ago, my wife helped me record a rehearsal video for this Spanish version of the Church’s oldest Latin Eucharistic hymn.
    —Jeff Ostrowski
    Rare Plainsong Accompaniments
    Our contributor, Veronica Brandt, went deep into Australia to take photographs of organ accompaniments for Gregorian Chant. Some consider these peculiar PLAINSONG ACCOMPANIMENTS—with 3-part harmonies by Barcelona Cathedral organist, Father Josep Muset i Ferrer—to be the rarest in the world. Click here to learn more. Thanks Veronica! 😊
    —Jeff Ostrowski
    “Hidden Chant” • For the Ordinary Form

    Not even the magnificent “GregoBase”—which is incredibly comprehensive—realizes music for this antiphon was published by the Vatican in the 1930s.

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    —Jeff Ostrowski

Quick Thoughts

    Time and Again We Are Asked…
    John Baptist Singenberger (d. 1924) was a central figure of Catholic Church music. In this utterly fascinating excerpt (Single-Page PDF), Singenberger writes: Time and again we are asked: “Is the Gregorian chant to be accompanied by the organ?” As a young student in Saint Gall, Singenberger befriended SEBASTIAN GEBHARD MESSMER, the future Archbishop of Milwaukee (Wisconsin). The two graduated together in 1861. The school they attended (Saint George’s Seminary) was a “seminary”—but in the older European sense. In other words, it provided a classical education without necessarily leading to ordination. Singenberger remained a layman his whole life, but Messmer was eventually made archbishop—by Pope Saint Pius X—of the very archdiocese in Wisconsin where Singenberger would spend his American career, giving him a powerful ecclesiastical ally.
    —Jeff Ostrowski
    “Reminder” — Month of June (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). Since we were founded in 2006, not one of our board members has ever accepted any remuneration whatsoever—not a penny. 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
    “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

Random Quote

“Who dreamed on that day that within a few years, far less than a decade, the Latin past of the Church would be all but expunged, that it would be reduced to a memory fading in the middle distance? The thought of it would have horrified us, but it seemed so far beyond the realm of the possible as to be ridiculous. So we laughed it off.”

— Most Rev’d Robert J. Dwyer, Archbishop of Portland (d. 1976)

Recent Posts

  • Public Criticism of Jeff Ostrowski’s Singing Voice • Also: “Dich König loben wir”
  • Oldest Latin Eucharistic Hymnal
  • Rare Plainsong Accompaniments
  • “Participatio Actuosa” • Re: Active Participation During The Holy Mass
  • “Receipts + Invoices” • (CCW Subscribers)

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