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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

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Jeff Ostrowski · July 6, 2025

Simplest “Agnus Dei” Ever Published

For organ and voice, some have called this “the simplest setting ever composed.”

Jeff Ostrowski · July 5, 2025

14th Sunday in Ordinary Time (Year C)

The chants have been posted!

Jeff Ostrowski · June 22, 2025

PDF Download • Soprano Descant — “Hail, Holy Queen Enthroned Above”

There’s something thrilling about soprano descants!

Jeff Ostrowski · June 17, 2025

PDF Download • “2025 Booklet for Participants for the Sacred Music Symposium” — (155 pages)

We feel this conference will be one for the history books!

Corpus Christi Watershed · June 13, 2025

Pope Pius XII Hymnal?

This extremely rare hymnal was published in 1959.

Corpus Christi Watershed · June 11, 2025

“Hybrid” Chant Notation?

See whether you agree that Father Weinmann made matters worse.

Cynthia Ostrowski · June 11, 2025

Available! • Free Rehearsal Videos for Agnus Dei “Mille Regretz” after Gombert (d. 1560)

Artificial intelligence will never replace authentic polyphony.

Corrinne May · June 9, 2025

PDF Download • “Polyphonic Extension” (Kevin Allen) for Gloria III

I will be conducting Palestrina’s ‘Ave Maria’ as well as teaching plainsong.

Jeff Ostrowski · June 9, 2025

“Booklet of Eucharistic Hymns” (16 pages)

This will be used while our congregation processes around the city to various churches.

Julie Huebner · June 9, 2025

PDF Download • “Text by Saint Francis of Assisi” (choral setting w/ organ: Soprano & Alto)

“I am near to end of my first year as a full-time choirmaster.” — Julie Huebner

Jeff Ostrowski · June 7, 2025

“Music List” • Pentecost Sunday

Readers have expressed interest in examining the “music list” I prepared for Pentecost Sunday.

Jeff Ostrowski · June 3, 2025

“Truly Great Processional” • (Pipe Organ)

It’s an excerpt from a much longer composition by Sebastian Bach.

Jeff Ostrowski · May 30, 2025

Proof Which All Can Immediately See!

There’s a reason for this!

Jeff Ostrowski · May 27, 2025

PDF Download • “Entrance Chant” for 29 June … Which Falls on a Sunday This Year!

Growing up, we had an encyclopedia in our basement—but that was hardly the equivalent access to the internet!

Jeff Ostrowski · May 25, 2025

“Music List” • 6th Sunday of Easter (Year C)

Readers have expressed interest in examining the “music list” I prepared for the 6th Sunday of Easter, Year C.

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President’s Corner

    Pipe Organ “Answers” in Plainsong?
    In 2003, I copied a book by Félix Bélédin (d. 1895), who was titular organist—from 1841 to 1874—at the Cathedral of Saint John the Baptist in Lyon (France). In 2008, we scanned and uploaded the book to the Lalande Online Library. Nobody knows for sure when the book was published; some believe it first appeared in the 1840s. In any event, one who examines this excerpt, showing GLORIA IX might wonder why it says the organ answers in plainsong. However, the front of the book explains, telling the organist explicitly when to “respond in plainchant.” This is something called organ alternatim. Believe it or not, the pipe organ would take turns with the choir, playing certain texts instrumentally instead of having them sung. I’m not very well-versed in this—pardon the pun—but if memory serves, ORGAN ALTERNATIM was frowned upon by the time of Pope Saint Pius X. Nevertheless, French organists kept doing it, even after it was explicitly condemned as an abuse.
    —Jeff Ostrowski
    Music List • (5th Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 5th Sunday of Lent (22 March 2026). If such a thing interests you, feel free to download it as a PDF file. Traditionally, this Sunday was called ‘Passion’ Sunday. Starting in 1956, certain church leaders attempted rename both ‘Passion’ Sunday and ‘Palm’ Sunday—but it didn’t work. For example, Monsignor Frederick McManus tried to get people to call PALM SUNDAY “Second Passion Sunday”—but the faithful rejected that. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Music List • (Holy Thursday, 2026)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for Holy Thursday, which is 2 April 2026. If such a thing interests you, feel free to download it as a PDF file. I’m not sure I’ve ever heard a more piercingly beautiful INTROIT, and I have come to absolutely love the SATB version of ‘Ubi cáritas’ we are singing (joined by our burgeoning children’s choir). I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski

Quick Thoughts

    “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
    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski
    PDF Download • “Holy, Holy, Holy”
    For vigil Masses on Saturday (a.k.a. “anticipated” Masses) we use this simpler setting of the “Holy, Holy, Holy” by Monsignor Jules Vyverman (d. 1989), a Belgian priest, organist, composer, and music educator who ultimately succeeded another ‘Jules’ (CANON JULES VAN NUFFEL) as director of the Lemmensinstituut in Belgium. Although I could be wrong, my understanding is that the LEMMENSINSTITUUT eventually merged with “Catholic University of Leuven” (originally founded in 1425). That’s the university Fulton J. Sheen attended.
    —Jeff Ostrowski

Random Quote

“I prefer to say nothing, or very little, about the new calendar, the handiwork of a trio of maniacs who suppressed—with no good reason—Septuagesima and the Octave of Pentecost and who scattered three quarters of the Saints higgledy-piddledy, all based on notions of their own devising!”

— ‘Fr. Bouyer, Consilium member appointed by Pope Paul VI’

Recent Posts

  • From Sentiment to Sacrament: Reclaiming Sacred Music for the Wedding Mass
  • Pipe Organ “Answers” in Plainsong?
  • “Gregorian Chant Quiz” • 24 March 2026
  • “Versions of the Psalter” • Jeff Interviews Top Biblical Scholar: Dr. Mark Giszczak
  • PDF Download • “Ubi Caritas” (SATB)

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