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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 · February 11, 2023

Hymn for the Season of Septuagesima? • Yes!

Where did “Ordinary Time” come from?

Jeff Ostrowski · February 9, 2023

PDF Download • “Gorgeous Image!”

Saint John Mary Vianney (d. 1859) is one of my favorite saints. Our readers will want to download this gorgeous stained glass window which depicts Father Vianney, the holy Curé d’Ars.

Jeff Ostrowski · February 8, 2023

PDF Download • Symposium Kyrie Revealed

People often complain: “Catholic priests won’t pay a living wage for choir directors, yet gladly pay millions to purchase a pipe organ.”

Jeff Ostrowski · February 7, 2023

Did Pope Francis Just Publicly Rebuke the Prefect of Divine Worship?

Arthur Cardinal Roche has not had an easy time of it lately.

Jeff Ostrowski · February 5, 2023

Hymn by Cardinal Newman

During the season of Septuagesima, we will be using this hymn by Cardinal Newman, which employs both Latin and English. (Readers probably know that Cardinal Newman was one of the world’s experts when it comes to Lingua Latina.) The final verse contains a beautiful soprano descant. You can hear this brief excerpt taken during our […]

Jeff Ostrowski · February 4, 2023

Church Music Shouldn’t Be “Headache-Inducing”

Authentic sacred music should attract people. It should not drive them away.

Jeff Ostrowski · February 4, 2023

Introit • Candlemas (2 February)

“Candlemas” • Our choir sang on February 2nd, and here’s a live recording of the beautiful INTROIT: Suscépimus Deus. We had very little time to rehearse, but I think it has some very nice moments. I promise that by the 8th Sunday after Pentecost it will be perfect! (That Introit is repeated on the 8th […]

Jeff Ostrowski · February 3, 2023

Simplified Antiphons • “Candlemas”

Anyone who desires simplified antiphons (“psalm tone versions”) for 2 February, the Feast of the Purification—which is also known as “Candlemas” or the Feast of the Presentation—may freely download them. The texts of the antiphons are quite beautiful. From “Lumen Ad Revelatiónem Géntium” you can hear a live excerpt (Mp3). I’m not a fan of […]

Jeff Ostrowski · January 31, 2023

Tempo?? • 𝘏𝘰𝘭𝘺 𝘎𝘰𝘥, 𝘞𝘦 𝘗𝘳𝘢𝘪𝘴𝘦 𝘛𝘩𝘺 𝘕𝘢𝘮𝘦

Once, after Mass, my pastor said he really loved the hymn we did. I said: “Father, that’s Holy God, We Praise Thy Name—you never heard it before?” He replied: “But the way you did it was terrific. For once, it didn’t sound like a funeral dirge!” Last Sunday, our volunteer choir sang that hymn. I […]

Jeff Ostrowski · January 31, 2023

PDF Download • Belgian Book of Gregorian Accompaniments (Official Edition)

We paid to have this extremely rare book scanned professionally.

Jeff Ostrowski · January 29, 2023

Don’t You Agree About These?

If you want to make Jeff Ostrowski really happy, send him an email with effusive praise about the individual voice recordings for hymn #296. [Soprano, Alto, Tenor, Bass] They came out dazzlingly sensational, don’t you agree?

Jeff Ostrowski · January 29, 2023

Choral Vowels? Yes? No?

Here’s a live recording of one of the choral “warm-up” exercises my choir enjoys. It was taken during our rehearsal on 27 January 2023. It’s good to make sure each chord is perfectly in tune and balanced before moving to the next one. That only happens when each singer has the correct vowel. If you […]

Jeff Ostrowski · January 28, 2023

Crucial Tip For Choir Directors

Don’t listen to excuses!

Jeff Ostrowski · January 28, 2023

Father Herbert Thurston • “I Fear the Man With One Book”

“Sometimes there was the possibility to be faced that a particular line of research could never be followed to a successful conclusion because the evidence was now no longer available.”

Jeff Ostrowski · January 26, 2023

26 January 2023 • FEEDBACK

“Jeff, I wanted to personally thank you for your spiritual witness at the Symposium & often blogs that you write too. Praying that prayer in the mornings My God, my Father and my all (by Cardinal Merry Del Val), mentioning saints’ stories of Brébeuf, Jogues, John Vianney, monks who fought in WWII, their hard work […]

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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

Bishops have a duty towards both wise and foolish. They have to rouse the devotion of the carnal people with material ornament, since they are incapable of spiritual things.

— St. Bernard of Clairvaux (†1153)

Recent Posts

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  • PDF Download • Palestrina’s “Ave Maria”
  • PDF Download • “2025 Booklet for Participants for the Sacred Music Symposium” — (155 pages)
  • Luis Martínez Must Go!

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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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