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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 · November 9, 2015

The Only “Credential” That Matters

“They should have been more offended by the Romanian doctor…” —Fr. George Rutler

Jeff Ostrowski · November 7, 2015

Simple 2-Part Canon For Men & Women

You will love what Henri Durieux has done with this hymn melody.

Jeff Ostrowski · November 7, 2015

Musical Resources • 23rd Sunday after Pentecost (Extraordinary Form)

“Remit, we beseech Thee, O Lord, the sins of Thy people…”

Jeff Ostrowski · November 5, 2015

Liturgical Press Has An “Oops” Moment

“If we had known what the prayers really said, we would not have wanted to pray them any longer.” —Paul Inwood

Jeff Ostrowski · November 1, 2015

Musical Resources • Feast of All Saints (November 1st)

“…most humbly we pray that—since so great is the number of thine elect pleading in our behalf—we may partake, in all their fulness, of thine abounding mercies…”

Jeff Ostrowski · October 30, 2015

“Te Saeculorum” • Simple, Sensational, SATB

Were you aware of this amazing piece by Raphaël Mercier?

Jeff Ostrowski · October 26, 2015

PDF Download • “Story of Redemption” for Children (1952) • With Audio Recordings!

“I’m sure you’ll enjoy the beautiful poems, songs, and pictures…” —Very Rev. Norbert M. Shumaker

Jeff Ostrowski · October 23, 2015

Musical Resources • Feast of Christ the King (Extraordinary Form)

“And all the kings of the earth shall adore Him; all nations shall serve Him…”

Jeff Ostrowski · October 21, 2015

PDF Download • “Christ The King Hymnal” (1955)

An extremely rare Canadian hymnal produced by Rev. Aloysius Knauff.

Jeff Ostrowski · October 19, 2015

Watershed Turns Nine Today!

Talking about perennial truths doesn’t get as many “clicks” as provocative headlines or character assassination.

Jeff Ostrowski · October 19, 2015

Beautiful Photo Of Blessed Pope Paul VI

The entrance procession from his coronation.

Jeff Ostrowski · October 17, 2015

Yikes! Even The Monastery Of Solesmes

Did you notice how they carefully deleted all the beautiful artwork?

Jeff Ostrowski · October 17, 2015

Musical Resources • 21st Sunday after Pentecost (Extraordinary Form)

“…in Thine infinite mercy, O Lord, restore our souls to health…”

Jeff Ostrowski · October 16, 2015

Watershed Needs Your Help To Continue!

“Watershed has been extremely helpful and has brought so much solace and support…”

Jeff Ostrowski · October 15, 2015

What? Sundays after Pentecost?

Be careful this year.

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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

“It is profitable for me that shame hath covered my face so I may seek consolation in Thee rather than in men.” (From the Imitation of Christ by Father Thomas à Kempis)

— Cardinal Merry del Val’s Prayer-Book

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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!

But we’re under pressure to transfer our website to a “subscription model.”

We don’t want to do that. We believe our website should remain free to all.

Our president has written the following letter:

President’s Message (dated 30 May 2025)

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