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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 · May 6, 2019

“Common” Hymn Melodies • What are they?

Choirmasters and organists understand how crucial flexibility is.

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Jeff Ostrowski · May 2, 2019

PDF Download • Complete Kyriale on Modern Staves!

If you can read treble clef, you can read this edition … a brilliant idea!

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Jeff Ostrowski · April 22, 2019

Josef Hofmann: “King of Pianists”

This excerpt from a 1980 radio interview with Abe Chasins proves I’m not crazy…

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Jeff Ostrowski · April 20, 2019

PDF Download • “Cheat Sheet” for Easter Vigil

Releasing this is probably a bad idea…too late!

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Jeff Ostrowski · April 19, 2019

PDF Download • Organ Interludes for Manuals!

I will most definitely be playing these pieces—based on hymn tunes—by Georg Philipp Telemann!

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Jeff Ostrowski · April 12, 2019

Musical Program for Covid-19

Saint Vitus • MATT GONZALEZ WEDDING • Saturday, 1 August 2020…bride walks at Noon! ——Call time for singers is 10:00am ENTRANCE Organist will play INTROIT • “Deus Israël conjungat” Sung by Men from Goupil-Chant Search the René Goupil website for “pro sponsis” KYRIE #81668 — Palestrina “Fons Bonitatis” part 1 #81249 — Palestrina “Fons Bonitatis” […]

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Jeff Ostrowski · April 12, 2019

The Amazing Uy Family Singers!

Not a piece you expected to hear today!

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Jeff Ostrowski · April 10, 2019

(captured by iPhone) • Rehearsing for the Symposium

Do me a huge favor…

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Jeff Ostrowski · April 9, 2019

Brébeuf Harmony Edition • “Splendid Beyond Words”

Folks, there’s just one word for this: WOW.

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Jeff Ostrowski · April 8, 2019

PDF Download • Spectacular “Tenebrae” Booklet

Mr. Albert Bloomfield has done us a breathtaking favor.

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Jeff Ostrowski · April 6, 2019

St. Michael the Archangel Prayer…in Gregorian Chant!

From a rare book of Franciscan chants (1902)

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Jeff Ostrowski · April 4, 2019

PDF Download • Mystery Kyriale (100 Pages)

Nobody knows the author or date of publication.

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Jeff Ostrowski · March 19, 2019

A Short Piece We’re Singing For Lent

A few weeks ago, I had the opportunity to sit down with one of the smartest Catholic priests alive.

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Jeff Ostrowski · March 14, 2019

“Sarum Rite” • Did it exist? What is it?

“To contrast Ancient Sarum with Modern Roman is absurd.” —Fr. Adrian Fortescue (1912)

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Jeff Ostrowski · March 13, 2019

Offensive Music in Germany • Ash Wednesday (2019)

Have you ever seen a liturgical “instrument” like this?

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Corpus Christi Watershed

President’s Corner

    Garnier Alleluias • “Have They Moved?”

    We received an email asking whether the “Garnier Gospel Acclamations website” has…

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    —Jeff Ostrowski
    Absolutely ‘Perfect’ Voice-Leading?

    This brief passage seems (in my humble opinion) to be a delightful specimen.

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    —Jeff Ostrowski
    Calling Dr. Weaver!

    A remarkable exposition of the “mora vocis” (published in 1953 in the Netherlands) which doesn’t shy away from a certain item!

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    —Jeff Ostrowski

Quick Thoughts

    “Predictable Rhymes?” • A Follow Up
    We received considerable correspondence regarding my article, Two Ways to Defile a Hymn. More specifically, what really raised certain people’s hackles was its follow-up article dealing with the keyboard accompaniment for the CHRIST THE KING HYMNAL. But to quote Eliza Doolittle: “Have I said anything I oughtn’t?” Please examine this PDF file and see whether you agree. Were the editors of the BRÉBEUF HYMNAL incorrect to insist upon sophisticated and clever rhymes, rather than mind-numbingly predictable rhymes?
    —Jeff Ostrowski
    ‘Ould’ But Not Good
    Dom Samuel Gregory Ould (note the spelling) was a Benedictine monk at FORT AUGUSTUS ABBEY in Scotland. As musician, organist, and composer, Dom Ould was highly regarded. Moreover, he was considered an authority on Gregorian Chant. But not everything found in an old book—or, in this case, an “Ould” book—is necessarily praiseworthy. Consider this page from Dom Ould’s hymnal. Do you see the rhymes? They offend severely by ABR (“Abuse By Reuse”) and are utterly predictable. In my recent article—Two Ways to Defile a Hymn—I addressed this topic.
    —Jeff Ostrowski
    “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

Random Quote

Pope Gelasius in his 9th Letter to the Bishops of Lucania condemned the evil practice which had been introduced of women serving the priest at the celebration of Mass. Since this abuse had spread to the Greeks, Innocent IV strictly forbade it in his letter to the Bishop of Tusculum: “Women should not dare to serve at the altar; they should be altogether refused this ministry.” We too have forbidden this practice in the same words in Our oft-repeated constitution “Etsi Pastoralis” (§6, #21)

— Pope Benedict XIV • Encyclical “Allatae Sunt” (26 July 1755)

Recent Posts

  • Garnier Alleluias • “Have They Moved?”
  • PDF Download • 1950s Hand Missal including “Priest Photographs” at Mass (944 pages)
  • “Predictable Rhymes?” • A Follow Up
  • Absolutely ‘Perfect’ Voice-Leading?
  • “The Choirmaster Survey” • Update on 29 July 2026

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