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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

Archives for July 2025

Guest Author · July 31, 2025

Installment #2 • “Serious Problems with the Lectionary Translation”

Special ‘favors’ or ‘permissions’ or ‘exceptions’ are given to various corporations while others are denied.

Guest Author · July 22, 2025

PDF Comparison Chart • “Serious Problems with the Lectionary Translation”

The responsorial psalms used in American Masses are—broadly speaking—pirated from the hard work of others.

Jeff Ostrowski · July 21, 2025

“Music List” • 17th in Ordinary Time (Year C)

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

Jeff Ostrowski · July 21, 2025

Flor Peeters In A Weird Mood?

What do you think of the dissonance on the chord I colored with pink?

Jeff Ostrowski · July 20, 2025

Communion • “Ask & You Shall Receive”

The Communion chant is exceedingly ancient.

Jeff Ostrowski · July 20, 2025

Jeff’s Mother Joins Our Fundraiser

If you have a moment…

Jeff Ostrowski · July 19, 2025

Errors in Latin: “17th Sund. Ordinary”

Even books by Fortescue and Knox have errors.

Jeff Ostrowski · July 18, 2025

“Tell Me Lies; Tell Me Sweet Little Lies.” • Re: Post-Conciliar Lectionary Problems

Do you see how they shamelessly modified the original?

Julie Huebner · July 18, 2025

PDF Download • “Catholic Texts Transcend”

I first learned a now-favorite Catholic text surrounded by Lutherans.

Jeff Ostrowski · July 15, 2025

PDF Download • “Jeff’s Mom Joins Our Fundraiser”

Earlier this year, my mother found out we desperately needed funds and were planning to run a fundraiser…

Jeff Ostrowski · July 14, 2025

“Musicam Sacram” (5 March 1967) • Does It Apply?

During a 2012 job interview with a priest, I was asked…

Jeff Ostrowski · July 14, 2025

“What Martin Luther Said…”

Martin Luther’s hatred for the True Faith was only exceeded by his filthy and disgusting vulgarity.

Jeff Ostrowski · July 12, 2025

“Music List” • 15th in Ordinary Time (Year C)

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

Mark Haas · July 12, 2025

Worship the Lord in Holy Attire

“Dressing with care and reverence for Mass is a sign—not just to God, but to others—of our awareness of the sacred.”

Dr. Lucas Tappan · July 11, 2025

“How to Conduct 90 Vespers Services Each Year and Live to Tell the Tale.”

“I don’t claim to be an authority on any of the ideas set forth in the following narrative.” —Dr. Lucas Tappan

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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

“Gloria, Credo, etc., may not be broken into detached fragments; it is wrong to omit or hurry over the Proper of the day; it is not permitted to substitute organ playing for the Proper; it is wrong to use, however briefly, themes from theatrical or dance music, from popular songs, love-songs, comic songs; drums, cymbals, piano, bag-pipes are too noisy for Church use .”

— Pope Leo XIII (25 September 1884))

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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