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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 12, 2015

Musical Resources • Quinquagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Jeff Ostrowski · February 10, 2015

The Facts About Annibale Bugnini’s Death

The difference between correlation & causality.

Jeff Ostrowski · February 10, 2015

Teaching Polyphony To Singers Who Can’t Read Music

Your singers can’t read music? No problem!

Jeff Ostrowski · February 8, 2015

Musical Resources • Sexagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Jeff Ostrowski · February 4, 2015

Exclusive Interview With Dr. William Mahrt

Towards the end I ask the CMAA president a loaded question … and he answers!

Jeff Ostrowski · February 3, 2015

Palestrina “O Crux Ave” • Practice Videos

I’ve been yearning to sing this piece since 2002.

Jeff Ostrowski · February 2, 2015

Elvis Presley, Offertory Processions, & “Alius Cantus”

Offertory processions in the 1940s? Really?

Jeff Ostrowski · January 31, 2015

Musical Resources • Septuagesima Sunday

«GLORIA in EXCELSIS» is not said from Septuagesima Sunday until Easter, except on Holy Thursday, Holy Saturday, & some special feasts.

Jeff Ostrowski · January 28, 2015

Innocuous But Uninspired Music At Mass?

In my youth, I recall singing some of these same songs at Mass, but I refused to do the hand gestures.

Jeff Ostrowski · January 27, 2015

PDF Download: Eucharistic Verset By Palestrina

Your more advanced singers will love this piece by Palestrina!

Jeff Ostrowski · January 26, 2015

Father Richard McBrien & The Passing Of An Era

“My Roman collar is my television uniform.” —Fr. Richard McBrien

Jeff Ostrowski · January 24, 2015

PDF Download: Saint Rose Hymnal (1938)

“It contains about two hundred hymns—all from approved sources—and covers every phase of Catholic devotion.” —Foreword by the Bishop of La Crosse

Jeff Ostrowski · January 23, 2015

Musical Resources • Third Sunday after Epiphany

Hymns can be implemented into the Latin High Mass with great effect.

Jeff Ostrowski · January 22, 2015

True Meaning Of The Word “Liturgy”

Historically, “liturgy” referred to a service done for the people, not by them.

Jeff Ostrowski · January 21, 2015

PDF Download: “Laudate Hymnal” (1942) … An Exceptionally Rare Book!

“We feel that the selection of hymns leaves little to be desired…” —From the 1942 Foreword

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Corpus Christi Watershed

President’s Corner

    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 • “Cantus Mariales” (192 pages)
    Andrea Leal has posted an absolutely pristine scan of CANTUS MARIALES (192 pages) which can be downloaded as a PDF file. To access this treasure, navigate to the frabjous article Andrea posted Monday. The file is being offered completely free of charge. The beginning pages of the book have something not to be missed: viz. a letter from Pope Saint Pius X to Dom Pothier, in which the pope calls Abbat Pothier “a man versed above all others in the science of liturgy, and to whom the cause of Gregorian chant is greatly indebted.”
    —Jeff Ostrowski
    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. 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

    Grotesque Pairing • “Passion Chorale”
    One of our rarest releases was undoubtably this PDF scan of the complete Pope Pius XII Hymnal (1959) by Father Joseph Roff, a student of Healey Willan. One of the scarcest titles in existence, this book was provided to us by Mr. Peter Meggison. Back in 2018, we scanned each page and uploaded it to our website, making it freely available to everyone. Readers are probably sick of hearing me say this, but just because we upload something that doesn’t necessarily mean it’s wonderful or worthy of imitation. We upload many publications precisely because they are ‘grotesque’, interesting, or revealing. Whereas the Brébeuf Catholic Hymnal had an editorial board that was careful and sensitive vis-à-vis pairing texts with tunes, the Pope Pius XII Hymnal (1959) seems to have been rather reckless in this regard. Please take a look at what they did with the PASSION CHORALE and see whether you agree.
    —Jeff Ostrowski
    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    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

Random Quote

“Orlando de Lassus died in Munich on 14 June 1594, the selfsame day his employer decided to dismiss him for economic reasons. He never saw the letter.”

— New Grove

Recent Posts

  • Grotesque Pairing • “Passion Chorale”
  • PDF Download • “Ubi Caritas” (SATB)
  • PDF • “Cantus Mariales” (192 pages)
  • PDF Download • Fourteen (14) Versions of the Splendid Hymn: “Salve Mater Misericordiae”
  • Fulton J. Sheen • “24-Hour Catechism”

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