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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

Louis Bouyer Oratorian Priest

Jeff Ostrowski · March 31, 2025

Possible Error? • 4th Sunday of Lent

Because the post-conciliar liturgical reforms were done with such haste, we sometimes find errors.

Veronica Moreno · March 23, 2025

PDF Download • Palestrina “Alleluia” (SATB) for the Ordinary or Extraordinary Form

Last week, a major bombshell was dropped with regard to two major publishing companies of Catholic hymnals.

Jeff Ostrowski · January 14, 2025

Was “Ordinary Time” Found in the 1962 Missal?

The answer might surprise you!

Corpus Christi Watershed · January 11, 2025

When Does “Christmas” End?

“I believe (though I could be wrong) the USCCB website is correct and Jeff is wrong.” —Father J. Haley

Corpus Christi Watershed · November 25, 2024

Bouyer on Liturgical Reform: “More intolerant and fussy than anything we’ve ever known.”

“Perhaps in no other area is there a greater distance between what the Council worked out and what we actually have.” —Professor Louis Bouyer

Jeff Ostrowski · July 4, 2024

PDF Download • “Entrance Chant” — 14th Sunday in Ordinary Time (Year B)

I’d love to hear you sing this!

Jeff Ostrowski · July 3, 2024

PDF Download • “Funeral Music List” (17 Pages)

What we do undeniably involves a type of “performance.”

Jeff Ostrowski · February 4, 2024

“When Does Christmas End?” • (Correct Answer)

Including the official hymn for February 2nd: the feast of the Purification.

Jeff Ostrowski · January 29, 2024

PDF Score • “Mass Setting I Wrote For Corrinne”

I demonstrate how the “Kyrie Eleison” can be adapted for use in the Extraordinary Form.

Jeff Ostrowski · January 8, 2024

PDF Download • Msgr. Hellriegel’s “Hand-Written” Hymnal (Organ Accompaniment) — 102 pages

A major announcement on 8 January 2024!

Jeff Ostrowski · February 11, 2023

Hymn for the Season of Septuagesima? • Yes!

Where did “Ordinary Time” come from?

Jeff Ostrowski · July 26, 2022

Open Letter to Bishop Roche • “12 Considerations”

I write in response to the 6 July 2022 statement by Pope Francis: “Make your voices heard! If they do not listen to you, shout even louder.”

Jeff Ostrowski · January 17, 2022

“Hymns for Small Choirs” • The Season of Epiphany

Destroying the season of Epiphany was in direct disobedience to Vatican II.

Jeff Ostrowski · December 9, 2021

Archbishop Lefebvre Pushed For Vernacular Readings?

Louis Bouyer—the priest chosen to compose “Eucharistic Prayer II”—condemned the liturgical reforms when he saw the results.

Jeff Ostrowski · November 2, 2021

Cardinal Cupich Publicly Demands Greater Use Of Latin & Gregorian Chant At Chicago Masses

No sane person would claim that tunes by Marty Haugen, David Haas, or Rory Cooney constitute polyphony.

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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

“No official approbation is required for hymns, songs, and acclamations written for the assembly.”

— Statement by the “Bishops’ Committee on the Liturgy” (10-NOV-1996)

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  • PDF Download • Palestrina’s “Ave Maria”

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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.

The election of Pope Leo XIV has been exciting, and we’re filled with hope for our apostolate’s future!

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President’s Message (dated 30 May 2025)

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