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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 24, 2024

Three Easter Hymns Sung Three Different Ways!

There was deep division in Chicago between those who cheered for the Cubs and those who cheered for the White Sox.

Jeff Ostrowski · April 21, 2024

Near “Occasions” of Sin, Forgiveness, Psalms, Hymns, and the Artistic Temperament

Rachmaninoff never forgave Prokofiev for this, as anyone with a melancholic temperament will understand.

Jeff Ostrowski · April 19, 2024

PDF Download • “Wedding Sheet” (Showing Prices)

Being hired as organist or choirmaster for Catholic weddings can be stressful.

Jeff Ostrowski · April 18, 2024

Can Your Choir Members Do This?

How many of your choir members can do this? (a) Recite the Tantum Ergo from memory; (b) Explain where the piece comes from and when specifically—during HOLY WEEK—it’s used; (c) Provide a literal translation (from memory, without looking in a book). This nifty one-page sheet (PDF) might be worth downloading if you’re worried some of […]

Jeff Ostrowski · April 17, 2024

Announcement! • “New Spanish Hymnal”

We seek native speakers willing to help proofread.

Jeff Ostrowski · April 16, 2024

PDF Download • Spanish Responsorial Psalm — “17th Sunday in Ordinary Time” (Year B)

We must never let criticism by ‘haters’ bother us. We must strive to block them from our minds.

Jeff Ostrowski · April 14, 2024

PDF Download • “Freiburg Cathedral Hymnal” (Organ Accompaniment) — 308 Pages!

The most comprehensive German hymnal ever printed? Well, this masterpiece by Monsignor Stemmer is certainly in the top five!

Jeff Ostrowski · April 10, 2024

“Banish Wrong Notes!” • Hymns Simplified

In the past, I’ve mentioned how I can’t stand hearing wrong notes. I was playing LLANFAIR the other day, and I was hitting wrong notes. Earlier today, I created a simplified version which you can download for free. This famous tune (“LLANFAIR”) is often used on the feast of the Ascension, with “Hail the Day […]

Jeff Ostrowski · April 9, 2024

PDF Download • Responsorial Psalm for the 16th Sunday in Ordinary Time (Year B)

“This argument from silence is wildly improbable.” —Father John Parsons (2001)

Jeff Ostrowski · April 7, 2024

Jeff Writes A Song About Dr. Weaver And Himself

This article—a “mini-dissertation” on syllabic plainsong—writes songs using the names of various CCW authors.

Jeff Ostrowski · April 7, 2024

Exiguous Performing Forces?

Even something simple can be wonderful.

Jeff Ostrowski · April 6, 2024

PDF Download • “Spanish Responsorial Psalm” (19th Sunday in Ordinary Time, Year B)

A lovely offering by the “Chaumonot Composers Group.”

Jeff Ostrowski · April 5, 2024

Confusion About This Responsorial Psalm

A serious typo in the Responsorial Psalm for the 17th Sunday in Ordinary Time, Year B.

Jeff Ostrowski · April 4, 2024

Jeff Ostrowski To Leave Los Angeles!

I believe Catholics have a right to attend Mass without being aurally assaulted.

Jeff Ostrowski · April 2, 2024

“Jesus Christ is Ris’n Today” (Simplified)

I hate hearing organists play wrong notes. I invite you to download this simplified organ accompaniment for hymn #699 in the Saint Jean de Brébeuf Hymnal. The hymn is “Jesus Christ Is Risen Today.” I’m toying with the idea of creating a whole bunch of these, to help amateur organists. The last one I uploaded was […]

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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

“I am now old but I was young when I was received into the Church. I was not at all attracted by the splendour of her great ceremonies—which the Protestants could well counterfeit. Of the extraneous attractions of the Church which most drew me was the spectacle of the priest and his server at Low Mass, stumping up to the altar without a glance to discover how many or how few he had in his congregation; a craftsman and his apprentice; a man with a job which he alone was qualified to do.”

— Evelyn Waugh (7 August 1964)

Recent Posts

  • PDF Download • “2025 Booklet for Participants for the Sacred Music Symposium” — (155 pages)
  • 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?

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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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