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Corpus Christi Watershed

We’re a 501(c)3 public charity established in 2006. We have no endowment, no major donors, no savings, and run no advertisements. We exist solely by the generosity of small donors.

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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 20, 2020

Rehearsal • “Come, Holy Ghost, Creator Blest”

Including information about a *fabulous* liturgical book from the 1950s.

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Jeff Ostrowski · April 20, 2020

From “Vexilla Christus Inclyta”

Non ille regna cládibus, | Non vi metúque súbdidit: | Alto levátus stípite, | Amóre traxit ómnia.—“It is not by combat or force or fear that Christ subdues nations but lifted up upon the tree, he draws all things to himself by love.” Servat fides connúbia, | Juvénta pubet íntegra, | Pudíca florent límina | […]

Jeff Ostrowski · April 20, 2020

As Seen On Facebook…

This Covid-19 crisis has caused results I never expected; and not in a good way.

Jeff Ostrowski · April 16, 2020

Yikes! • More Plagiarism from Boise’s Bishop

I did some digging—and the results aren’t pretty. I hope Bishop Christensen will immediately retract his directive, which contains false statements.

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Jeff Ostrowski · April 14, 2020

PDF Download • “Victimae Paschali” Organ Accompaniment (Nine Versions)

Organ Accompaniments for “Victimae Paschali Laudes” • Some people love it; others hate it. Regardless, Mocquereau never backed down, and we must admire his tenacity!

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Jeff Ostrowski · April 11, 2020

Without Sacraments • How Saint Isaac Jogues Survived

“His wounds were gangrened, his bare feet left tracks of blood on snow and ice, the deerskin he wore was alive with vermin.”

Jeff Ostrowski · April 9, 2020

Brébeuf Hymn #554 • “Victis Sibi” in English

Better late than never!

Jeff Ostrowski · April 8, 2020

PDF Download • Haunting “Alleluia” for Ordinary and/or Extraordinary Form

This piece probably won’t “make sense” the first time you hear it.

Jeff Ostrowski · April 8, 2020

(2022, Revised) • Saint Vitus Choir Page

6 May 2022 Morales Alleluia = #78969 THIS IS YOUR FIRST PRIORITY 78969 • Alleluia for OF & EF (Morales Magnificat) Page 697 from The Saint Jean de Brébeuf Hymnal …rehearsal videos are at #697 and also #868 THIS IS YOUR SECOND PRIORITY “Christ the Lord is risen today” TUNE: “Paschal Lamb” • 77 77 […]

Jeff Ostrowski · April 7, 2020

Banning “Ad Orientem” • Six Regrettable Mistakes by the Bishop of Boise, Idaho

Nobody’s perfect; we all make mistakes. His Excellency’s letter must be retracted as soon as possible.

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Jeff Ostrowski · April 6, 2020

CCW President on “Real Presence Radio”

Mr. Matthew L. Willkom and Fr. Randall Kasel (Pastor, St. Michael in Pine Island, MN) interviewed Jeff Ostrowski a few weeks ago.

Jeff Ostrowski · April 6, 2020

“Daily I sat in the temple, close to you…”

Fulton J. Sheen always said the “very best translation” of Sacred Scripture was the version by Monsignor Ronald Knox, and here’s what Knox had for the Passion read today (Pre-1955 Palm Sunday): “And Jesus said to the multitude at that hour, You have come out to my arrest with swords and clubs, as if I […]

Jeff Ostrowski · April 5, 2020

PDF Download • “Pre-1955 Holy Saturday” (Draft)

Today, I release something I probably shouldn’t—because it’s “not ready for Prime Time.”

Jeff Ostrowski · April 2, 2020

What a young Father Morales wrote for Charles V

I prefer this old recording—but there are plenty of modern recordings available if you don’t like it.

Jeff Ostrowski · April 1, 2020

Hymn: “All glory, laud, and honor to Thee, Redeemer, King” (Sopr, Alto, Tenr, Bass)

Today, rehearsal videos were uploaded for each *individual* voice part: Soprano, Alto, Tenor, Bass.

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Corpus Christi Watershed

President’s Corner

    Luis Martínez Must Go!
    Sevilla Cathedral (entry dated 13 December 1564): The chapter orders Luis Martínez, a cathedral chaplain, to stay away from the choirbook-stand when the rest of the singers gather around it to sing polyphony—the reason being that “he throws the others out of tune.” [Excerpt from “The Life of Father Francisco Guerrero.”]
    —Jeff Ostrowski
    Urgent! • We Desperately Need Funds!
    A few days ago, the president of Corpus Christi Watershed posted this urgent appeal for funds. Please help us make sure we’re never forced to place our content behind a paywall. We feel it’s crucial that 100% of our content remains free to everyone. We’re a tiny 501(c)3 public charity, entirely dependent upon the generosity of small donors. We have no endowment and no major donors. We run no advertisements and have no savings. We beg you to consider donating $4.00 per month. Thank you!
    —Jeff Ostrowski
    “Booklet of Eucharistic Hymns” (16 pages)
    I was asked to create a booklet for my parish to use during our CORPUS CHRISTI PROCESSION on 22 June 2025. Would you be willing to look over the DRAFT BOOKLET (16 pages) I came up with? I tried to include a variety of hymns: some have a refrain; some are in major, others in minor; some are metered, others are plainsong; some are in Spanish, some are in Latin, but most are in English. Normally, we’d use the Brébeuf Hymnal—but we can’t risk having our congregation carry those heavy books all over the city to various churches.
    —Jeff Ostrowski

Quick Thoughts

    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “Hybrid” Chant Notation?
    Over the years, many have tried to ‘simplify’ plainsong notation. The O’Fallon Propers attempted to simplify the notation—but ended up making matters worse. Dr. Karl Weinmann tried to do the same in the time of Pope Saint Pius X by replacing each porrectus. You can examine a specimen from his edition and see whether you agree he complicated matters. In particular, look at what he did with éxsules fílii Hévae.
    —Corpus Christi Watershed
    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed

Random Quote

“When we force a boy to be a mediocrity in a dozen subjects we destroy his standards, perhaps for life.”

— C. S. Lewis

Recent Posts

  • Luis Martínez Must Go!
  • Pope Pius XII Hymnal?
  • PDF Download • “Gospel Acclamation” for 29 June (Solemnity of Saints Peter and Paul, Apostles)
  • “Hybrid” Chant Notation?
  • Available! • Free Rehearsal Videos for Agnus Dei “Mille Regretz” after Gombert (d. 1560)

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Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.

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