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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 · November 8, 2019

PDF Download • A Eucharistic Piece My Choir Loves

Including a “preview” of the forthcoming Brébeuf Hymnal SATB Choral Supplement.

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Jeff Ostrowski · October 28, 2019

What Choirmasters Do.

In case you’re wondering: the photo on the upper right is me—taken on Saturday night.

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Jeff Ostrowski · October 23, 2019

Fascinating! • Tridentine “Permission Slip” (1985)

In this riveting document, Archbishop Weakland forbids one’s child from attending a Low Mass—wicked beyond a doubt!

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Jeff Ostrowski · October 21, 2019

New Typesetting! • “Kyriale Supplement” (1934)

Mr. Andrew Hinkley has done something marvelous…again!

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Jeff Ostrowski · October 19, 2019

PDF Download • Palestrina Kyrie (Part 2 of 3)

“Dazzlingly luscious” is probably best way to describe this Mass.

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Jeff Ostrowski · October 16, 2019

“Hidden” Hymns by Cardinal Newman

Fr. Nicholls points out that Saint Newman was an admirer of Beethoven at a time when Beethoven was still living.

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Jeff Ostrowski · October 10, 2019

Incredible!!! • Ancient Kyriale MSS for Download

Through the centuries, we observe a remarkable stability—in spite of variants, which will always exist.

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Jeff Ostrowski · October 7, 2019

PDF Download • SATB “Sanctus” by Orlando de Lassus

We have completed part 1. When part 2 is finished, we’ll release that, as well.

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Jeff Ostrowski · October 3, 2019

Pope Francis: “Promote The Presence Of The Schola Cantorum In Every Parish Community!”

Pope Francis said (28 September 2019) that liturgical music must be Holy, Artistic, and Universal.

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Jeff Ostrowski · October 2, 2019

Veronica Brandt • “Lalande Drop-Cap Letters”

Editing Code in the Classic Editor There are two tabs to the right of the content box: Visual and Text. Choose Text to edit the code. Choose Visual for a rough idea of how it will look. Editing Code in the Block Editor Each paragraph block has a menu bar which pops up when that […]

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Jeff Ostrowski · September 30, 2019

Brave Schola Director Posts iPhone Recording

Sometimes the obstacles faced by choirmasters seem completely overwhelming.

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Jeff Ostrowski · September 24, 2019

Brébeuf Review! • “Society for Catholic Liturgy”

“The editors of the Brébeuf Hymnal have done a great service to the profession.” —Aaron James, Ph.D.

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Jeff Ostrowski · September 20, 2019

PDF Download • Palestrina Kyrie “Fons Bonitatis”

This is part 1 of 3 — and the other parts will be released soon.

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Jeff Ostrowski · September 16, 2019

“Dies Irae” • Why Does It Appear In So Many Movies?

Veronica Brandt wrote about this in 2014. This morning, VOX made her article into a YouTube.

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Jeff Ostrowski · September 13, 2019

($54,000 per year) • FSSP San Diego Seeks Choirmaster

It seems Fr. Lyons offered the position to a candidate who later decided not to accept.

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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

Why do we never sing “De Spiritu Sancto” (St. Athenogenes) in our churches? There are a dozen translations in English verse. Where could anyone find a better evening hymn than this, coming right down from the catacombs? Our hymnbooks know nothing of such a treasure as this, and give us pages of poor sentiment in doggerel lines by some tenth-rate modern versifier.

— Rev’d Adrian Fortescue (d. 1923)

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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