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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 · July 28, 2015

A Most Devastating Change By Pope Paul VI

“We strongly resent the implication that we and our children are not sufficiently intelligent to understand the simple Latin of the Mass…” —Manifesto of the Catholic Laity (1943)

Jeff Ostrowski · July 27, 2015

Why It’s Pointless To Argue Over Our Roman Missal Translation

“Women forced to sell their bodies in desperation and fear” —From a 2013 GIA hymnal

Jeff Ostrowski · July 24, 2015

Pope Pius XI and “Concelebration”

Can anyone shed light on this?

Jeff Ostrowski · July 23, 2015

Polyphony (SATB) By Verdelot • With Optional Hymn “Christe Supreme”

Amazing! Verdelot’s cadence here sounds quite modern!

Jeff Ostrowski · July 22, 2015

Musical Resources • 9th Sunday after Pentecost (Extraordinary Form)

The organist will play softly at the Offertory.

Jeff Ostrowski · July 22, 2015

The “Little Rock Nine” & Sacred Music

How could closing down all the schools be a good plan?

Jeff Ostrowski · July 21, 2015

Fr. Robert E. Barron To Be Made A Bishop!

Three new auxiliary bishops for Los Angeles!

Jeff Ostrowski · July 21, 2015

Fr. Carlo Rossini Is Wrong About “EU”

You can sleep soundly at night, knowing how to correctly pronounce “hagióque pnéumate.”

Jeff Ostrowski · July 20, 2015

“Sacred Vs. Secular Music” • Fr. John C. Selner

“…like man, Mary, you are IN—really cool among women.”

Jeff Ostrowski · July 20, 2015

Is Renaissance Music Too Expressive For Holy Mass?

“To thee do we send up our sighs, mourning and weeping in this valley of tears.”

Jeff Ostrowski · July 18, 2015

Church Needs “Disposable Art” Created To Last “Not Centuries, But Weeks (Or Hours).”

Fr. Robert W. Hovda argues that “Little Green Apples” can be sung during Mass.

Jeff Ostrowski · July 16, 2015

Musical Resources • 8th Sunday after Pentecost (Extraordinary Form)

“The master in this Gospel is praising, not the wrongful act of the unfaithful steward, but the peculiar astuteness with which he makes friends who will be useful when things go amiss.” (Maredsous N. T.)

Jeff Ostrowski · July 16, 2015

Is Latin Impossible For Choirs?

When priests came into Bishop Trautman’s office asking permission, he would start speaking Latin to them.

Jeff Ostrowski · July 15, 2015

“Asperges Me” • Gregorian Chant

In the Extraordinary Form, the “Asperges Me” is only used on Sundays.

Jeff Ostrowski · July 14, 2015

1951 Solemn Pontifical Field Mass • With 100-Voice “Palestrina Cathedral Choir”

Following the Mass, Archbishop Joseph H. Schlarman was made an honorary Indian chief.

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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

According to the Instruction “Musicam sacram” of 5 March 1967, Article 34 §1, the polyphonic “Ordinarium Missae” can in the future still be sung suetis normis, “according to the customary norms,” i.e. by the choir. In fact, this form of the high Mass is placed in high relief compared to the other forms, among which the congregationally sung Gregorian chant Mass deserves our special attention.

— Monsignor Overath (President, “Consociatio Internationalis Musicæ Sacræ” founded by Pope Saint Paul VI

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