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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 · April 6, 2015

Jaw-Dropping Liturgical Manuscripts (7,055 Pages)

Catholics can now *see with their own eyes* the antiquity of our liturgy.

Jeff Ostrowski · April 6, 2015

Can You Love Liturgy Too Much?

Should we assume malice on the part of those who denigrate the Traditional Mass?

Jeff Ostrowski · April 4, 2015

PDF Download: Organ Accompaniment to “Et Valde Mane” • 1955 Easter Vigil

A thing desired by many!

Jeff Ostrowski · April 4, 2015

Rough PDF • Rubrics & Music, Holy Saturday (1962)

I don’t usually release “rough cut” PDF files, but this one is so valuable…

Jeff Ostrowski · April 3, 2015

Rubrics • Good Friday (Pius XII Holy Week Revisions)

Even Solesmes makes errors from time to time.

Jeff Ostrowski · April 2, 2015

An Essential & Unique Thing For Holy Thursday

…and a look at Holy Thursday from the 1965 Missal.

Jeff Ostrowski · April 1, 2015

Musical Resources • Holy Thursday (1962)

Bells are rung and the organ played at the “Gloria”—but then stay silent until the Easter Vigil “Gloria.”

Jeff Ostrowski · April 1, 2015

Judas Iscariot & Religious Freedom

Some have criticized Christ for making Judas part of his special group of friends.

Jeff Ostrowski · March 31, 2015

What Happened To Our Catholic Artists?

From what I can tell, a trend toward *ugly* artwork in Church publications began in the late 1950s.

Jeff Ostrowski · March 30, 2015

Is This Where It All Began?

Why do so many traditional priests have an aversion to Pope Pius XII’s revision of Holy Week?

Jeff Ostrowski · March 29, 2015

Musical Resources • Palm Sunday (1962)

There are two ways to distribute palm branches in the Extraordinary Form.

Jeff Ostrowski · March 29, 2015

Palm Sunday Outline • Extraordinary Form

During the procession, all or some of the following selections may be sung…

Jeff Ostrowski · March 26, 2015

“O Sacred Head Surrounded”

An easier organ accompaniment, provided by Dr. Eugène Lapierre, teacher of Roger Wagner.

Jeff Ostrowski · March 26, 2015

Diversity Of Thought

When it comes to reforming the liturgy, they want “all voices heard.”

Jeff Ostrowski · March 25, 2015

Video • Vocation Story Of Bishop Robert C. Morlino

“Scranton is a very Catholic town. Every guy, growing up considered the priesthood.” —Bishop Morlino

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Corpus Christi Watershed

President’s Corner

    PDF • “Music List” (4th Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 21 December 2025, which is the 4th Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is the famous “Roráte Coeli” and the fauxbourdon setting of the COMMUNION is exquisite. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • Our Lady of Guadalupe (12 Dec.)
    The Responsorial Psalm may be downloaded as a PDF file (organist & vocalist) for 12 December, which is the Feast of Our Lady of Guadalupe. When it comes to the formulary for this Mass, it’s astounding how infrequently it’s included in official books. Prior to Vatican II, one had to search through “supplemental material” printed in the back of hand-missals and graduals. But since 1970, the feast is virtually nonexistent. According to the UNIVERSAL KALENDAR, 12 December is the “Feast of Saint Jane Frances De Chantal, Religious” (Die 12 decembris: S. Ioannæ Franciscæ de Chantal, religiosæ). Why should that feast overpower Our Lady of Guadalupe? In the United States, OLG is celebrated—and I’d assume in Mexico, Central America, South America, and Canada—but, as I said, the Propria Missae are virtually impossible to locate. I possess only three books which mention this feast.
    —Jeff Ostrowski
    Simplified Accompaniment (Advent Hymn)
    Many organists are forced to simultaneously serve as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult. I invite you to download this simplified organ accompaniment (PDF) which in the Father Brébeuf Hymnal is hymn #661: “Come, Thou Long-Expected Jesus” (for ADVENT). I’m toying with the idea of creating a whole bunch of these, to help amateur organists. The last one I uploaded was downloaded more than 2,900 times in a matter of hours—so there appears to be interest.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Santo Santo Santo”
    Those searching for a dignified, brief, simple, bright setting of SANCTUS in Spanish (“Santo Santo Santo”) are invited to download this Setting in honor of Saint John Brébeuf (organist & vocalist). I wonder if there would be any interest in me recording a rehearsal video for this piece.
    —Jeff Ostrowski
    Pope Leo XIV on Sacred Music
    On 5 December 2025, Pope Leo XIV made this declaration with regard to liturgical music.
    —Corpus Christi Watershed
    “Translations Approved for Liturgical Use”
    According to the newsletter for USSCB’s Committee on Divine Worship dated September 1996, there are three (3) translations of the Bible which can be used in the sacred liturgy in the United States. You can read this information with your own eyes. It seems the USCCB and also Rome fully approved the so-called NRSV (“New Revised Standard Version”) on 13 November 1991 and 6 April 1992 but this permission was then withdrawn in 1994.
    —Corpus Christi Watershed

Random Quote

“The sun, at one moment surrounded with scarlet flame, at another aureoled in yellow and deep purple, seemed to be in an exceedingly swift and whirling movement, at times appearing to be loosened from the sky and to be approaching the earth, strongly radiating heat.”

— ‘Dr. Domingos Pinto Coelho, noted lawyer from Lisbon and chairman of the Bar Association (1917)’

Recent Posts

  • PDF • “Standard Gregorian Chants for Schools, Churches, Seminaries, & Convents” (1946) —123 pages
  • The “Word of the Father” Chord: Theology and Harmony Meet at Christmas
  • PDF • “Music List” (4th Sunday of Advent)
  • PDF Download • “Santo Santo Santo”
  • Crucial Tips • “Teaching Children How to Sing”

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