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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 · September 28, 2021

Gregorian Chant • Prayer to Saint Michael the Archangel

From a rare book of Franciscan chants (1902)

Jeff Ostrowski · September 27, 2021

New CD release from the FSSP in Europe!

Christmas Matins from Bavaria…

Jeff Ostrowski · September 26, 2021

“Salve Regina” • Organ Accompaniment

Readers already realize that seventeen (17) splendid organ accompaniments for the simple “Salve Regina” can be freely and conveniently downloaded here. But what about the solemn tone for the “Salve Regina”—has anyone composed an organ accompaniment for that? Yes, Canon Jules Van Nuffel has composed one for the solemn version.

Jeff Ostrowski · September 24, 2021

“Easy Polyphonic Agnus Dei” • Part 3 of 3

The ability of your singers to sight-read music instantly does not guarantee a good performance.

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Jeff Ostrowski · September 24, 2021

“A Tale Of Two Missals”

Sometimes words are superfluous. Sometimes no commentary is needed. If you look at this Tale of Two Missals (PDF)—which compares the Canon from the “Modern” ICEL Missal with a “Dark Ages” Missal, I think you will understand exactly what I’m getting at.

Jeff Ostrowski · September 23, 2021

23 September 2021 • FEEDBACK

From a reader: “Corpus Christi Watershed is the greatest musical organization ever created in the Church!”

Jeff Ostrowski · September 21, 2021

Church “Narthex” • What’s that?

Do you know what the church narthex is? It’s kind of like a separate room, blocked off by a wall. A buddy of mine (sitting in the narthex) took some iPhone recordings of our congregation singing Vespers. Here’s how they sound sans organ. [Note: Whenever I play for Vespers, I make sure to have some […]

Jeff Ostrowski · September 21, 2021

“A Truly Eucharistic Hymn” • Christ the King (SATB)

Did Vatican II “restore” the hymns—as mandated by §93 of Sacrosanctum Concilium?

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Jeff Ostrowski · September 19, 2021

Clarion Call To All Choirmasters! • (26 Sept.)

Forty images of (IMHO) the patron saints of church musicians.

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Jeff Ostrowski · September 18, 2021

“Homily for the 17th Sunday after Pentecost” (EF) • Father Valentine Young, OFM

“In our day and age I think it is good that we all be reminded that Christ will eventually overcome his enemies.”

Jeff Ostrowski · September 16, 2021

16 September 2021 • Fulton J. Sheen

Here is a photo of Archbishop Fulton J. Sheen celebrating Mass in Jerusalem. That image was included in the “Fulton J. Sheen Sunday Missal” (1961), which was edited by Father Caramen and has an IMPRIMATUR by William Cardinal Godfrey, who served as Archbishop of Westminster from 1956 until his death in 1963. The Fulton Sheen […]

Jeff Ostrowski · September 16, 2021

15 September 2021 • Offertory Problem

I submit to you that nothing is gained by these slight variations in the repeats for the Epipany Offertory. The edition is by Carl Ott, a musicologist. Almost nothing is about Carl Ott—as far as I can tell, nobody even knows when Carl Ott was born or when Carl Ott died.

Jeff Ostrowski · September 14, 2021

PDF Download • Three Myths About Hymns

Did you know Catholics began translating hymns from Latin into the vernacular about 400 years before the Protestant Revolution?

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Jeff Ostrowski · September 10, 2021

[re-post] • “Hymn for the Feast of All Saints”

All Saints—November 1st—will be here before you know it!

Jeff Ostrowski · September 8, 2021

PDF Download • “Old Catholic Missal” (1909) … for the Schismatic “See of Utrecht”

Readers will enjoy perusing this book.

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Corpus Christi Watershed

President’s Corner

    “Holy Name Hymn” (2-Voice Arrangement)
    When we post a direct URL link, we frequently get thousands of downloads. But when scrolling is required, very few take the time. I mention this because those who click on this URL link and scroll to the bottom can download—completely free of charge—a clever 2-voice arrangement for a famous hymn to the Most Holy Name of Jesus. In a pinch, it can be nicely sung by one male and one female! It will be of interest to those who seek arrangements for two voices.
    —Jeff Ostrowski
    PDF Download • Introit (3rd Sn. Ord.)
    This coming Sunday, 25 January 2026, is the 3rd Sunday in Ordinary Time (Year A). The ENTRANCE CHANT (“Dóminus secus mare”) is somewhat rare because it comes from the New Testament. The authentic version in Latin—of astounding antiquity—was jettisoned in 1955 but restored in 1970. This rehearsal video has me attempting to sing the melody while simultaneously accompanying myself on the organ. I encourage you to print off the organ accompaniment (PDF) and play through it because it has extremely ‘happy’ harmonies.
    —Jeff Ostrowski
    “Lamb of God” (Musical Setting)
    The MASS OF SAINT ANNE LINE has been quite popular ever since ROMAN MISSAL Third Edition was released circa 2011. You can now download the musical score (PDF) for this setting, placed into five (5) different keys; i.e. “pitch levels” that are high and low. This makes it possible to adjust based upon who’s singing at which time of day.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski
    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski

Random Quote

“[Sacrosanctum Conclium’s implementation was] horrible, if we judge the debate on the liturgy as we have it today. Very few bishops would be proud to say they had a hand in it. Communion in the hand was never mentioned in the debate, neither was the word table (mensa) to take the place of altar—place of sacrifice… In my opinion the Debate on the Liturgy has been hijacked. The Council was…to reform, not to change completely.”

— Bishop Ignatius Doggett (who took part in Vatican II)

Recent Posts

  • Active Participation • “Participatio Actuosa”
  • “Holy Name Hymn” (2-Voice Arrangement)
  • PDF Download • Introit (3rd Sn. Ord.)
  • “New Hope For Sacred Music!” • Richard J. Clark Interviews Dr. Myrna Keough
  • Fulton J. Sheen • “24-Hour Catechism”

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