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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

Archives for October 2022

Jeff Ostrowski · October 29, 2022

“Christ the King” • Introit

I have attempted to record the Introit for the Feast of Christ the King according to the official rhythm of the Catholic Church. You can view the YouTube recording of my attempt. Traditionally, our Savior’s “kingship” was celebrated as part of the Epiphany—but in 1925, Pope Pius XI created the “feast of Christ the King” […]

Jeff Ostrowski · October 29, 2022

29 October 2022 • FEEDBACK

Good morning! My name is […] and I write to you from Chile. Just a short note to say: thank you for your wonderful website “Corpus Christi Watershed.” As a Catholic organist, I truly appreciate the marvelous work you have done. Your website is a tremendous library open to everyone. Thanks so much, and God […]

Jeff Ostrowski · October 28, 2022

“To Jesus Christ, Our Sovereign King” • Melody Comes From Where?

Nobody seems capable of answering this question.

Corpus Christi Watershed · October 26, 2022

“Dates Revealed” • 2023 Sacred Music Symposium

Mark your calendars for this life-changing conference!

Dr. Charles Weaver · October 23, 2022

An Upcoming Concert in NYC

Announcing a concert next Saturday in honor of Christ the King.

Jeff Ostrowski · October 22, 2022

“Vespers of the Dead” • Most Elaborate Book of Hours I’ve Ever Seen

Our Lord said that if men withheld their praise of Him, “the very stones would cry out…”

Keven Smith · October 20, 2022

Hidden Gem: Dormi Jesu (Luc Jakobs)

This striking Christmas motet puts Latin text atop jazzy harmonies to lull Our Infant Lord to sleep.

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Jeff Ostrowski · October 19, 2022

PDF Download • Plainchant on 5 lines!

I can’t think of better way to learn Gregorian chant than to download this 651-page PDF file, containing the marvelous Gregorian Vesperale (1915) by Father Karl Weinmann (d. 1929) printed on five lines. If you accompany Vespers directly from the plainsong notation, this makes life easy! It’s also fun to compare the Gregorian chant inside […]

Jeff Ostrowski · October 19, 2022

19 October 2022 • Feast of Saint Isaac Jogues & Companions

In Canada, they list Father Brébeuf first—in the United States, Father Jogues.

Jeff Ostrowski · October 19, 2022

PDF Download • “Hymn List For Sundays” (until 8 December 2022)

As a child, Rex Harrison contracted measles, which took away the sight from his left eye for the rest of his life.

Jeff Ostrowski · October 17, 2022

“Hymn By A Saint” • For All Saints (November 1st)

There’s something truly ‘haunting’ about this melody by Flor Peeters—and once it’s in your head, it’s hard to banish!

Jeff Ostrowski · October 15, 2022

USCCB • “Principal Music Books for the Eucharist”

The principal books of music for the Eucharist were recently (re-)confirmed by the United States Conference of Catholic Bishops.

Jeff Ostrowski · October 15, 2022

This Sunday’s Introit • “Official” Rhythm

Our Schola Cantorum members prefer to hear recordings of chants we’re learning. This morning I attempted this recording of the INTROIT for this coming Sunday, which is the 19th Sunday after Pentecost. My voice was groggy, but I suppose we singers can’t expect to have a recording studio follow us around all day waiting for […]

Corpus Christi Watershed · October 13, 2022

“Fearfully and Wonderfully Made” • New album from Richard Kelley & Richard J. Clark

Famed Boston trumpeter (Richard Kelley) and Boston Cathedral choirmaster (Richard J. Clark) explore the depths of human frailty, struggle, and dignity …

Jeff Ostrowski · October 13, 2022

PDF Download • “Liber Cantualis”

On 22 November 1963, Pope Paul VI established the “Consociatio Internationalis Musicae Sacrae.” On 16 July 1966, the Vatican reiterated that the Consociatio was “the only international association of sacred music approved by the Holy See.” It’s very difficult—at least for me—to figure out what happened to that organization, and whether it still exists. One […]

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Corpus Christi Watershed

President’s Corner

    PDF Download • Communion for Sunday
    The COMMUNION ANTIPHON with fauxbourdon psalm verses for this coming Sunday (3 May 2026) is elegant and poignant. It’s such a shame it only comes every three years. This piece—along with all the musical scores for this coming Sunday, which is the 5th Sunday of Easter (Year A)—can be downloaded free of charge from the flourishing feasts website. By the way, how is it already 2026?
    —Jeff Ostrowski
    Season’s End Repertoire
    Looking at the REPERTOIRE SHEET until the end of the choral season, I see that I’ve fallen behind schedule. (The last three months have been extraordinarily busy.) As you know, I have been providing organ harmonies for all the ENTRANCE CHANTS—as well as rehearsal videos—and you can see I’m behind where I planned to be. Now I must make up lost ground. However, the choir picks up the ENTRANCE CHANT with ease, so I’m sure it will all work out. My ‘unofficial’ harmonizations are being posted each week at the flourishing feasts website.
    —Jeff Ostrowski
    PDF Download • “Funeral Procession”
    From a mediæval Book of Hours, I was sent this glorious depiction of a Roman Catholic funeral procession by Simon Bening (d. 1561). The image resolution is extremely high. I’m not sure I know of a more beautiful illustration of a mediæval church. And I love how the servers are wearing red and pink cassocks!
    —Jeff Ostrowski

Quick Thoughts

    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
    PDF • “Liturgical Law” (467 Pages)
    On Good Friday during the middle ages, the pope privately recited THE ENTIRE PSALTER. If you don’t believe me, see for yourself by reading this passage by Dom Charles Augustine Bachofen (d. 1943). His famous book—called “Liturgical Law: A Handbook Of The Roman Liturgy”—was published by the Benjamin Herder Book Company, which was the American arm (operating out of St. Louis, Missouri) of one of the world’s most significant Catholic publishers. Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon). His 1931 masterpiece, Liturgical Law can be downloaded as a PDF file … 467 pages!
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 24 March 2026
    How well do you know your Gregorian hymns? Do you recognize the tune inserted into the bass line on this score? For many years, we sang the entire Mass in Gregorian chant—and I mean everything. As a result, it would be difficult to find a Gregorian hymn I don’t recognize instantly. Only decades later did I realize (with sadness) that this skill cannot be ‘monetized’… This particular melody is used for a very famous Gregorian hymn, printed in the LIBER USUALIS. Do you recognize it? Send me an email with the correct words, and I promise to tell everybody I meet about your prowess!
    —Jeff Ostrowski

Random Quote

[on Latin] “No change in Mass: people have missals and can read. More vernacular can be useful in the Sacraments: Baptism, Confirmation, Extreme Unction, Matrimony.”

— Cardinal Spellman (one of the Vatican II fathers)

Recent Posts

  • PDF Download • Communion for Sunday
  • “Translating the Bible” • Msgr. Ronald Knox (1953)
  • Season’s End Repertoire
  • PDF Download • “Funeral Procession”
  • Re: The “Correct” Way To Sing Gregorian Chant

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