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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 · February 17, 2021

PDF Download • “O Sacred Head Surrounded” … placed into Gregorian Chant!

Also provided: an organ accompaniment for “Jam Christe Sol Justitiae” (an ancient Catholic hymn for Lent).

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Jeff Ostrowski · February 16, 2021

PDF Download • “Daily Missal with Vespers for Sundays” by Dom Lefevbre (2,007 pages)

…including news Re: the 3rd edition of the Saint Edmund Campion Missal, scheduled to be released in April.

Jeff Ostrowski · February 16, 2021

Surprising Popularity!

One of our most popular downloads has proven to be the organ accompaniment to “The Monastery Hymnal” (131 pages). This book was compiled, arranged, and edited by Achille P. Bragers, who studied at the Lemmensinstituut (Belgium) about thirty years before that school produced the NOH. Bragers might be considered an example of Belgium “Stile Antico” […]

Jeff Ostrowski · February 16, 2021

15 February 2021 • To Capitalize…?

In the Introit for the 6th Sunday after Pentecost, there is a question regarding whether to capitalize the word “christi.” The Vulgata does not, because Psalm 27 is not specifically referring to Our Lord, but rather to God’s “anointed one.” However, Missals tend to capitalize it, such as the official 1962 Missal and also a […]

Jeff Ostrowski · February 15, 2021

15 February 2021 • “Sung vs. Spoken”

We have spoken quite a bit about “sung vs. spoken” antiphons. We have also noted that the texts of the Graduale Romanum sometimes don’t match the Missal texts (in the Extraordinary Form) because the Mass Propers are older than Saint Jerome’s Vulgate, and sometimes came from the ITALA versions of Sacred Scripture. On occasion, the […]

Jeff Ostrowski · February 14, 2021

PDF: “The Attack On The Vatican Edition: A Rejoinder”

Some readers have had difficulty finding this article, which we scanned and posted circa 2008, so here it is: The Attack On The Vatican Edition: A Rejoinder The Styria Press (Graz and Vienna), 1907. Reprinted in Caecilia, Vol 87, No. 1 (Spring, 1960). The article is by Dr. Peter Wagner, a student of Father Michael […]

Jeff Ostrowski · February 13, 2021

“Homily for Quinquagesima Sunday” (EF) • Father Valentine Young, OFM

Sometimes I think we humans are becoming too smart—perhaps too smart for our own good.

Jeff Ostrowski · February 11, 2021

PDF Download • 1954 “Bragers Hymnal”—Accompaniment Edition (131 pages)

We have scanned this extremely rare hymnal, granted Imprimatur by Francis Cardinal Spellman on 15 February 1954.

Jeff Ostrowski · February 10, 2021

“Reform of the Reform” • Eight Lies We Were Told

We should evaluate things based on their merit.

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Jeff Ostrowski · February 10, 2021

10 February 2021 • “Follow the text…”

Gregorian Chant does not follow the example of Baroque composers, who strongly emphasize (“slam”) the tonic accent. Cantus Gregorianus has a very sophisticated way of honoring the text—an approach which goes far beyond the “goo goo gah gah” approach of slamming the tonic accent. Thousands of examples in the Gregorian repertoire demonstrate this reality, but […]

Jeff Ostrowski · February 7, 2021

“Homily for Sexagesima Sunday” (EF) • Father Valentine Young, OFM

I had the good fortune of being assigned to the same mission field twice: the first time in 1956 when I was first ordained.

Jeff Ostrowski · February 5, 2021

5 February 2021 • “Tainted”

We have witnessed the downfall of so many “famous” Catholics—including priests—who had pretended to be holy, but were caught committing terrible sins. In a particular way, EWTN was harmed because several of their biggest stars were exposed. I was thinking about whether something holy can be “tainted,” and what that means. Fulton Sheen made mistakes, […]

Jeff Ostrowski · February 4, 2021

Ben Shapiro Teaches His Audience Music Theory!

Also included: “Can amateurs sing polyphony?”

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Jeff Ostrowski · February 4, 2021

3 February 2021 • “Politics”

A recent article—Glaring Omission from Post-Vatican II Lectionary—has generated enormous traffic, and has become one of our most popular articles. During that article, I made reference to our position on “political” articles. If anyone cares to know about my political views, please download: Only In Secret And With Horror. I have explained my views in […]

Jeff Ostrowski · January 31, 2021

“Homily for Septuagesima Sunday” (EF) • Father Valentine Young, OFM

I don’t know whether all of you will agree with me when I say: “life is not fair”—but I would imagine older people would agree.

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski
    “Rare Photographs” • Hannibal Bugnini
    On 2 September 2025, we included in this article extremely rare photographs of Archbishop Hannibal Bugnini taken in Iran circa 1979. Bugnini had initially been banished by the pope to Uruguay, but he refused to obey. [This is interesting, since Bugnini relied upon ‘blind obedience’ when it came to modifications of the ancient liturgy.] After he refused to obey the order from the pope, Hannibal Bugnini was banished to Iran. You can also watch a short video of Hannibal Bugnini in Iran, dated 10 November 1979. That’s about a week after the USA embassy hostage crisis began in Tehran, and Pope Saint John Paul II had sent the leader of the Iranian Revolution a special letter.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of May (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
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski
    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski

Random Quote

“Abbat Pothier’s great accomplishment is having returned to the Catholic world—along with the traditional melody—the traditional way of performing it. The foundations laid by this providential man have been accepted by all those who practice Gregorian chant.”

— Dr. Peter Wagner (Commissionis Pontificiæ Gregorianæ Membrum)

Recent Posts

  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations
  • Simplified Version • “Canon in D” (Pachelbel)
  • PDF Download • “Organ Accompaniment”
  • “Gregorian Chant Quiz” • 4 May 2026

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