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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

President's Corner

Jeff Ostrowski · March 17, 2023

“The German Palestrina”

Although it’s a hideous accompaniment, I’ve added the harmonization by Monsignor Franz Nekes to this collection of nineteen organ accompaniments for the Easter Sunday Sequence: Víctimæ Pascháli Laudes. Once upon a time, Monsignor Nekes was a very popular composer, known as “The German Palestrina.”

Jeff Ostrowski · March 12, 2023

Vespers Booklet, 3rd Sunday of Lent

The organ accompaniment I created for the 3rd Sunday of Lent (“Extraordinary Form”) may now be downloaded, if anyone is interested in this.

Jeff Ostrowski · March 7, 2023

Weeping For Joy! (We Hope!)

Listening to this Easter Alleluia—an SATB arrangement I made twenty years ago based on the work of Monsignor Jules Van Nuffel—one of our readers left this comment: “I get tears in my eyes each time I sing to this hymn.” I hope this person is weeping for joy!

Jeff Ostrowski · February 28, 2023

“The Times” mentions CCW

We were mentioned in article in an article by “The Times” (United Kingdom), as you can see here.

Dr. Charles Weaver · February 27, 2023

An Interview on Mocquereau’s Method

I recently appeared on Square Notes, the Sacred Music Podcast to discuss some of the basics of Dom Mocquereau’s system of Gregorian rhythm. It’s impossible to give a full treatment to such a complex topic in a mere forty minutes, but I touched on a lot of the foundational ideas, with especial emphasis on the […]

Jeff Ostrowski · February 19, 2023

Three-Voice Piece You’ll Love!

To help my volunteer choir members learn, I have attempted to record all the vocal parts for Justorum Animae, composed for SOPRANO, ALTO, and BASS. It’s from a brilliant collection by Kevin Allen called Matri Divinae Gratiae. You can hear my attempt by visiting this website and scrolling down to “Justorum Animæ.” My singers really […]

Jeff Ostrowski · February 13, 2023

Please Accept This Advice!

If you’ve been considering attending the Sacred Music Symposium, I suggest you send in your application as soon as possible. The committee that meets to evaluate each candidate has been going through them—and they are scheduled to convene again this week. (They do their best to get through as many as they can as quickly […]

Jeff Ostrowski · February 13, 2023

“Sexagesima Vespers” • Organist Booklet

I’m currently in the process of creating a website where all the organ accompaniment booklets for Vespers are posted for download. At the moment, you can download the 25-page booklet I used yesterday, to accompany vespers for Sexagesima Sunday.

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 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

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 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 […]

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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

“I vividly remember going to church with him in Bournemouth. He was a devout Roman Catholic and it was soon after the Church had changed the liturgy (from Latin to English). My grandfather obviously didn’t agree with this and made all the responses very loudly in Latin while the rest of the congregation answered in English. I found the whole experience quite excruciating, but my grandfather was oblivious. He simply had to do what he believed to be right.”

— Simon Tolkien (2003)

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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