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Corpus Christi Watershed

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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 5, 2026

Music List • (Easter Sunday, 2026)

Readers have expressed interest in examining my “music list” for Easter Sunday 2026.

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Jeff Ostrowski · April 1, 2026

PDF Download • “Sprinkling Rite”

At the last second, a few tones were changed in the antiphon.

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Jeff Ostrowski · April 1, 2026

‘Sarum’ Good Friday?

Do you recognize it?

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Jeff Ostrowski · March 31, 2026

Gregorian Chant • The “Correct” Way of Singing?

Now I will explain what that means.

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Jeff Ostrowski · March 30, 2026

PDF Download • “Eb Organ Postlude”

Although a Lutheran himself, he held the appointment at a Roman Catholic Cathedral until his death.

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Jeff Ostrowski · March 29, 2026

Fulton J. Sheen • “24-Hour Catechism”

(11 of 50) “Most Holy Trinity”

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Jeff Ostrowski · March 28, 2026

Music List • (Palm Sunday, 2026)

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

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Jeff Ostrowski · March 28, 2026

Easter • Would You Sing This Hymn?

Should this be added to the “pernicious hymn pairing” collection?

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Jeff Ostrowski · March 24, 2026

Pipe Organ “Answers” in Plainsong?

Some might be a bit confused as to why it says the organ “answers” in Plainsong.

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Jeff Ostrowski · March 24, 2026

“Gregorian Chant Quiz” • 24 March 2026

How well do you know your Gregorian hymns?

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Jeff Ostrowski · March 23, 2026

“Versions of the Psalter” • Jeff Interviews Top Biblical Scholar: Dr. Mark Giszczak

Including a special release—“Rare as a Unicorn”—Pius XII Psalter in Latin and English (1,545 pages).

Jeff Ostrowski · March 21, 2026

PDF Download • “Ubi Caritas” (SATB)

A wonderful option for smaller choirs.

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Jeff Ostrowski · March 20, 2026

Music List • (5th Sunday of Lent)

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

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Jeff Ostrowski · March 19, 2026

Music List • (Holy Thursday, 2026)

Readers have expressed interest in examining my “music list” for Maundy Thursday.

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Jeff Ostrowski · March 19, 2026

“O Escam Viatorum” • (Holy Thursday)

I was way off the mark!

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Corpus Christi Watershed

President’s Corner

    Oldest Latin Eucharistic Hymn
    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

    “Reader Feedback” • 22 June 2026
    A reader wrote to us from Virginia: “I really appreciate the 23 harmonizations that you posted on CORPUS CHRISTI WATERSHED for the Daily, Daily, Sing to Mary hymn. I hope to find willing voices in our small Schola Cantorum to try the three-voice version. Carry on, sir! You’re doing the Lord’s work.” While we don’t know this gentleman personally, we note that he earned a Ph.D. (which demonstrates that our blog has something for everybody). 😊
    —Corpus Christi Watershed
    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

Random Quote

“I prefer to preach,” said one priest “even without immediate preparation, for I can always draw—from the various studies stored away during the seminary years—enough material to interest our good Catholic people. But when I have to go to the altar and sing High Mass or a Requiem, and I know that I cannot read a note of the Preface and the ‘Pater Noster’, I feel like going to martyrdom. Yet the notes are right there before my eyes, but they seem to mock my ignorance.”

— From a 1920 article by Very Rev. Leo P. Manzetti

Recent Posts

  • All 150 Psalms (in Latin) • “With Accents”
  • Two Ways to Defile a Hymn • (And How Not To)
  • “Reader Feedback” • 22 June 2026
  • These Photographs Are Utterly Astounding !
  • Public Criticism of Jeff Ostrowski’s Singing Voice • Also: “Dich König loben wir”

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