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Corpus Christi Watershed

Pope Saint Paul VI (3 April 1969): “Although the text of the Roman Gradual—at least that which concerns the singing—has not been changed, the Entrance antiphons and Communions antiphons have been revised for Masses without singing.”

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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 · June 11, 2013

Choir Members’ Behavior In The Year 1596

On 24 December 1596, Nanino records that the singers missed a response of “Amen,” which they were supposed to make after the pope said the Gospel at Matins. But the books were marked so that the same thing would not happen the following year, as it might if they depended only on memory.

Jeff Ostrowski · June 10, 2013

Watershed Customer Service

These days, companies treat their customers like animals. I find it disgusting.

Jeff Ostrowski · June 10, 2013

Entering The Danger Zone: Congregational Singing

Are we being honest when we claim that the “entire congregation” can sing a hymn at Mass? I had to search pretty hard, but finally found someone willing to admit the truth.

Jeff Ostrowski · June 8, 2013

“How Do I Use Gregorio? How Do I Use GABC?”

To prove that anybody can learn to use GABC (Gregorio) in five seconds to create Gregorian chant scores, I created this training video while holding a 6-month-old baby.

Jeff Ostrowski · June 7, 2013

Concerning “Finger Flapping”

Sigh . . What to do when you’re the greatest of the great?

Jeff Ostrowski · June 6, 2013

Splendid! A 2013 Recording By Cistercian Nuns

“I have listened to the CD with great enjoyment. When listening to the Cistercian Nuns of Saint Mary’s Abbey, one realizes that they do not just sing at prayer or sing their prayers: their very singing is prayer, according to the axiom, Those who sing well, pray twice.” — Quote from a listener.

Jeff Ostrowski · June 5, 2013

Fantastic News For The New Translation!

The crucial question was not asked: “Is the New Translation more accurate than the previous one?”

Jeff Ostrowski · June 4, 2013

What Is Currently Happening? Let’s Be Honest.

Why do 99% of Catholic Churches replace 100% of the Mass Propers 99% of the time?

Jeff Ostrowski · June 3, 2013

Free Musical Scores For Catholic Weddings

Nuptial Mass Responsorial Psalms, Gospel Acclamations, Introits, Offertories, simple organ interludes, training videos, PDF scores, and more . . . all for free!

Jeff Ostrowski · June 1, 2013

A Most Magnificent Monogram

Can you find all the letters in this ancient symbol? Every Catholic knows how the Preface begins: “It is truly right and just, our duty and salvation, always and everywhere to give you thanks . . .”

Jeff Ostrowski · May 30, 2013

History, Padre Pio, Pius X, And More

Did you know Padre Pio was drafted into the army? Did you know his father had to come to America to earn money so Padre Pio could be tutored before being accepted to monastic life?

Jeff Ostrowski · May 28, 2013

The English And Their Hymns

I have noticed that the “English method” of hymnody prints the musical notes on one page and the words on another. Several experts explain why in this post.

Jeff Ostrowski · May 28, 2013

Disney’s “That Darn Cat,” Life Teen Masses, and More

“Music has the capability of evoking a place and a context.” — Dr. William Mahrt of Stanford

Jeff Ostrowski · May 27, 2013

Failure, The Liturgy, & Today’s Mr. Know-It-All

The priest who rejected my submission was very professional, polite, and encouraging.

Jeff Ostrowski · May 26, 2013

Sibelius 7 • Get Rid Of Multi Rests!

“How can I get rid of those stupid multirests in Sibelius?”

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Corpus Christi Watershed

President’s Corner

    Heretical Hymns
    As a public service, perhaps a theologian ought to begin assembling a heretical hymns collection. A liturgical book—for funerals!—published by the Collegeville Press contains this monstrosity by someone named “Delores Dufner.” I can’t tell what the lyrics are trying to convey—can you? I detest ‘hymns’ with lines such the one she came up with: “Let the thirsty come and drink, Share My wine and bread.” Somehow, the publication was granted an IMPRIMATUR by Most Rev’d Jerome Hanus (bishop of Saint Cloud) on 16 August 1989. It’s a nice tune, but paired with a nasty text!
    —Jeff Ostrowski
    💲 5.00 💵
    Our tiny 501(c)3 nonprofit organization exists solely by generous readers who donate $5.00 per month. We have no endowment; we have no major donors; we run no advertisements; we have no savings. A donor wrote to us: “I so appreciate all you do and have done, and your generosity is unprecedented. I am honored to be able to make a monthly contribution.” Another monthly donor says: “Thank you for everything CC Watershed does. We are able to add so much solemnity to Holy Mass due to the resources made available here.” Can you spare a few dollars each month to help us survive?
    —Corpus Christi Watershed
    Dom Pothier • Photo from 1904
    Dom Paul Cagin, in a 1904 publication (L’oeuvre de Solesmes dans la restauration du chant grégorien) made sure to include a beautiful image of Dom Pothier, the legendary abbot of St-Wandrille. Also shown is a very young Dom André Mocquereau. Auguste Pécoul—considered the spiritual “son” of Abbat Prosper Guéranger of Solesmes—wrote as follows on 24 June 1901: “To forestall any confusion, let us remember that there is just one Gregorian notation—that restored, according to the ancient manuscripts, by the eminent Abbot of Saint-Wandrille, Dom Pothier.” ✠
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“No one can reasonably find in the dispositions of Vatican II anything out of order, or any extreme opinions or tendencies which restrict the function of sacred music exclusively to the congregational singing of the faithful or on the other hand which replace or eliminate the singing of the congregation entirely by the singing of the choir.”

— Most Rev’d Archbishop D.M.M. y Gómez, Primate of Mexico (at that time, the world’s largest archdiocese)

Recent Posts

  • Heretical Hymns
  • Alphabetizing Hymn Titles Inside Hymnals • “Does This Make Any Sense?”
  • Fulton J. Sheen • “24-Hour Catechism”
  • “Reminder” — Month of Febr. (2026)
  • Seminary Music Directors Gather in Houston

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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.