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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 17, 2025

Caught on Video! • Choir Director’s Disturbing Holy Week “Meltdown”

Since Covid-19, many Catholic churches “live-stream” their Masses … and this disturbing footage emerged.

Jeff Ostrowski · April 15, 2025

PDF Download • Exceedingly Rare! — “The Torn Tunic” (122 pages) … published in 1967

Is Tito Casini correct that vernacular plainsong is a “sin against nature?”

Jeff Ostrowski · April 14, 2025

“Our Trials” • Choirmaster Crosses

How can we experience peace of soul when most people don’t even understand the mental trauma we deal with?

Jeff Ostrowski · April 13, 2025

PDF Download • “Easter Sunday Introit”

In accordance with the official edition.

Jeff Ostrowski · April 12, 2025

“Music List” • Holy Thursday

Readers have expressed interest in examining the “music list” I prepared for Maundy Thursday.

Jeff Ostrowski · April 11, 2025

PDF Download • “Communion” (Holy Thursday)

Its verses are quite beautiful.

Jeff Ostrowski · April 10, 2025

“Ubi Caritas” • Knox Translation (1950s)

What a treasure!

Jeff Ostrowski · April 10, 2025

“Music List” • Palm Sunday

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

Jeff Ostrowski · April 9, 2025

PDF Download • “Offertory” (Palm Sunday)

Some believe that “joyful” texts sound happy in Gregorian Chant and “sad” texts sound mournful.

Jeff Ostrowski · April 8, 2025

“And the Chief Priests…” (Palm Sunday)

“And the chief priests made a plot against Lazarus’ life too…”

Jeff Ostrowski · April 7, 2025

“Articles for Bulletin” • Saint Mary’s in Muskegon

This series is for Saint Mary’s in Muskegon.

Jeff Ostrowski · April 7, 2025

Re: The “Restoration” of the Easter Vigil

It’s a strange type of “restoration” that rejoices over innovations that never existed before.

Jeff Ostrowski · April 7, 2025

Yesterday’s Offertory • ‘Live’ by 2 Young Women

A large choir isn’t necessary to have dignified music at Mass.

Jeff Ostrowski · April 7, 2025

The 1970s Liturgical Wasteland

“In a sense we need ‘disposable’ music, created to last not centuries, but weeks (or hours).” —Father Hovda

Jeff Ostrowski · April 7, 2025

“Reader Feedback” • 7 April 2025

A reader in Poland writes…

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Corpus Christi Watershed

President’s Corner

    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski
    “Sanctus VIII” • Organ Accompaniment
    A few days ago, I composed this organ harmonization for SANCTUS VIII. This Mass is traditionally called Missa de ángelis or “Mass of the angels.” In French, it is Messe de Anges. You can evaluate my attempt to simultaneously accompany myself on the pipe organ (click here) while singing the melody. My parish is currently singing this setting.
    —Jeff Ostrowski
    Music List • (5th Sund. Ordinary Time)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for this coming Sunday, 8 February 2026, which is the 5th Sunday in Ordinary Time (Year A). If such a thing interests you, feel free to download it as a PDF file. You will probably notice it isn’t as ‘complete’ or ‘spiffy’ as usual, owing to some difficulties which took place this week.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (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. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    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
    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

Random Quote

And since it is becoming that holy things be administered in a holy manner, and of all things this sacrifice is the most holy, the Catholic Church, to the end that it might be worthily and reverently offered and received, instituted many centuries ago the holy canon, which is so free from error that it contains nothing that does not in the highest degree savor of a certain holiness and piety and raise up to God the minds of those who offer.

— Council of Trent (1562)

Recent Posts

  • Fulton J. Sheen • “24-Hour Catechism”
  • 2-Voice Arrangement for Lent
  • Pope Paul VI • “Sacrificium Laudis” (15 Aug 1966)
  • “Sanctus VIII” • Organ Accompaniment
  • PDF Download • Sanctus VIII Organ Accompaniment (“Mass of the Angels”)

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