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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 · December 7, 2018

Exclusive images! • Draft Pages (Brébeuf Hymnal)

As you can see, this new hymnal is pleasantly thin and not heavy.

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Jeff Ostrowski · November 28, 2018

PDF • “Ecclesia Dei” Responses (14 November 2018)

Several questions deal with music at the Traditional Latin Mass (“Extraordinary Form”).

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Jeff Ostrowski · November 25, 2018

First Sunday of Advent at Saint Vitus Parish (LA)

“May we receive Thy mercy, O Lord, in the midst of Thy temple, that with due reverence we may prepare for the coming festival of our redemption.”

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Jeff Ostrowski · November 24, 2018

The Only Hymn Father Fortescue Ever Wrote

…including a “Sneak Peek” at the Brébeuf Hymnal.

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Jeff Ostrowski · November 15, 2018

PDF Download • Mass Hymns by Fr. Seed, SJ (1906)

How utterly strange to see such items!

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Jeff Ostrowski · November 13, 2018

Hymn Texts by Fr. Christopher Phillips

Listen to an original text accepted for publication in the Brébeuf hymnal…

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Jeff Ostrowski · November 6, 2018

“Last” Sunday after Pentecost (Extraordinary Form)

“Sir, didst thou not sow good seed in thy field? whence then hath it cockle?” And he said to them, “An enemy hath done this.”

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Jeff Ostrowski · November 6, 2018

PDF Download • “Pope Pius XII Hymnal” (1959)

Were you shocked to see the Pius XII Hymnal assigning vernacular hymns to different parts of the Mass?

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Jeff Ostrowski · October 30, 2018

“Source Material” • The Saint Jean de Brébeuf Hymnal

We assembled a staggering number of Catholic hymnals and selected only the very best material from each.

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Jeff Ostrowski · October 29, 2018

“Lord, take not only my nose…” (Fr. Jogues)

Why prayer doesn’t always “work”—and why that’s a good thing!

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Jeff Ostrowski · October 22, 2018

Incredible News! • Re: Mæstro Richard J. Clark

There’s a new music director for the Archdiocese of Boston and Cathedral of the Holy Cross!

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Jeff Ostrowski · October 19, 2018

22nd Sunday after Pentecost (Extraordinary Form)

“At that time, the Pharisees went and consulted among themselves, how to ensnare Jesus in His speech…”

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Jeff Ostrowski · October 15, 2018

PDF Download • “Sanctus” (SATB) by JS Bach!

Wow … I bet you’ve never heard this piece before!

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Jeff Ostrowski · October 10, 2018

Absolute Last Chance: Period!

My friend, Andrew Motyka, asked me to show the “full version” of this famous hymn.

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Jeff Ostrowski · October 8, 2018

Live Recording Snippet • Vespers at Saint Vitus

We’ve made a very good start, and things will get better and better!

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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

“Johann Baptist Singenberger (d. 1924) held in trust a letter from Pius X giving him permission to use men and women in his festival choirs. He neither published it nor used it, lest he embarrass the Holy Father.”

— Monsignor Francis P. Schmitt (August 1957)

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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