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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 · March 31, 2020

Sacred Music Symposium • “What We Avoid”

I wish we had to time to discuss artwork at the Sacred Music Symposium, but there’s just not enough time. At this year’s conference in June, we will sing an absolutely incredible Magnificat setting by Father Francisco Guerrero (d. 1599). If you examine the part books, you will notice a marvelous aesthetic desire to avoid […]

Jeff Ostrowski · March 31, 2020

Going Beyond Archbishop Fulton Sheen’s “Take”

Sheen has sometimes been criticized for avoiding mention of the sacred liturgy during his talks, but I cannot agree with such a view. • Includes about the Holy Eucharist, including a quote by Father Leslie Rumble and a quote from Pope Pius X+

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Jeff Ostrowski · March 29, 2020

“Abraham” • Guerrero Imitates His Teacher

Father Francisco Guerrero (d. 1599) studied music with Father Cristóbal de Morales circa 1545. He taught himself the organ. On 3 April 1542 he was engaged as a contralto by Seville Cathedral at an annual salary of 12,000 maravedís. He remained there until 1546, when, at the age of only 17, he was invited—on the […]

Jeff Ostrowski · March 27, 2020

HYMN • “Vexilla Regis” (SATB setting in English)

Father Adrian Fortescue (d. 1923) called this “perhaps the greatest of all hymns.”

Jeff Ostrowski · March 26, 2020

“Jesus Christ Is Risen Today” (Brébeuf Hymnal, #699)

During Advent, choirmasters must plan Christmas. During Lent, choirmasters must plan Easter. And so on.

Jeff Ostrowski · March 26, 2020

Too much music!

Choosing music for the Sacred Music Symposium requires careful consideration.  We make sure (always) to have great variety. Because the schedule is so full, there’s never sufficient time to discuss the music fully—indeed, we could easily do a month-long seminar on each piece!  For example, last year Dr. Calabrese conducted a setting of the Magnificat […]

Jeff Ostrowski · March 24, 2020

Repeating Repertoire? • Jeff Ostrowski

There’s an old saying: “Show me your friends, and I will tell you who you are.”

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Jeff Ostrowski · March 24, 2020

PDF Download • “Ad Regias Agni Dapes” (Organ Accompaniment)

I composed this organ accompaniment yesterday, looking ahead towards Eastertide.

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Jeff Ostrowski · March 22, 2020

Readings & Prayers Used By My Family On Sunday…

Including Fulton J. Sheen, Charles de Foucauld, and a Homily by Father Valentine Young, OFM

Jeff Ostrowski · March 21, 2020

Rehearsal Video • Breathtaking Morales “Sanctus”

CCW contributors—Jeff, Veronica, Andrea, and Cynthia—each recorded a line for this recording.

Jeff Ostrowski · March 20, 2020

“Sharing Is Caring”

I would like to share a message from a highly respected scholar.  (His articles appear in distinguished journals such as Études grégoriennes and Oxford’s Early Music.) He wrote as follows: The Brébeuf Hymnal is very tastefully done. Your team has exquisite literary and musical taste. I see from my copy of the hymnal that you […]

Jeff Ostrowski · March 20, 2020

What Frightens Me

The world’s experts have been releasing contradictory statements Re: Covid-19. I am neither a doctor nor a scientist, so I won’t comment; but I have something to say about the spine-tingling predictions made by certain politicians. When I was growing up, they told us “within ten years” we would starve due to overpopulation. The next […]

Jeff Ostrowski · March 18, 2020

Official Statement on Coronavirus

The 2020 Sacred Music Symposium “Official Statement” on Coronavirus has been posted; I encourage everyone to read it. I would like to share some advice: (1) avoid excessive amounts of “cable news” reporting on the pandemic, similar to how we diligently avoid immoral magazines and pornography; (2) let us pray for God’s mercy, and let […]

Jeff Ostrowski · March 17, 2020

The Ability To Say “I Don’t Know”

Father Valentine Young, OFM, always spoke about people incapable of saying “I don’t know.”  Such people have an answer for everything—as if saying “I don’t know” would cause them physical pain.  That’s how I acted growing up, but I stopped when I reached maturity.  Another thing I did as a kid was insist that I […]

Jeff Ostrowski · March 17, 2020

Disturbing Trend

Have you noticed how many people these days don’t know what an analogy is?  If I say to John Doe, “that’s the pot calling the kettle black,” frequently John Doe will go around telling everybody I called him an ugly pot.  It’s quite disturbing.  I’ve also noticed that many Americans believe the definition of “possible” […]

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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

Why do we never sing “De Spiritu Sancto” (St. Athenogenes) in our churches? There are a dozen translations in English verse. Where could anyone find a better evening hymn than this, coming right down from the catacombs? Our hymnbooks know nothing of such a treasure as this, and give us pages of poor sentiment in doggerel lines by some tenth-rate modern versifier.

— Rev’d Adrian Fortescue (d. 1923)

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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