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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

Articles

Guest Author · April 16, 2018

What does Cicero have to do with the Breviary?

A proposal for “mutual enrichment”

Andrew Leung · April 12, 2018

Photos • Two Recent Solemn Masses in Hong Kong

This wasn’t my first time serving as a subdeacon, but it was a trembling experience.

Dr. Lucas Tappan · April 10, 2018

Tone Quality and Your Singers

Ultimately it doesn’t matter if your choir resonates well and sings beautiful vowels but can’t communicate via the music…

Fr. David Friel · April 8, 2018

The Turns at Benediction

To the Right or to the Left?

Jeff Ostrowski · April 5, 2018

“ Dissonance? ” • Gregorian Accompaniment

Nothing could be further from the truth!

Fr. David Friel · April 3, 2018

Ratzinger’s 1987 Letter to a Former Catechism Student

The Pope Emeritus presents church music as something central to life.

Jeff Ostrowski · April 2, 2018

I Was Wrong to Dread the “Pre-1955” Holy Week

Five (5) differences between the ancient rites of Holy Week (“Pre-1955”) and the Pius XII version.

Jeff Ostrowski · April 2, 2018

“Crotalus” • How Does It Sound?

Holy Thursday pew version from a pocket recorder.

Fr. David Friel · April 1, 2018

Summer Chant Courses—Dunwoodie

Two course offerings from the St. Cecilia Academy for Pastoral Musicians

Corpus Christi Watershed · March 29, 2018

FSSP Palm Sunday (2018) • “Pre-1955 Rubrics”

Rome gave permission this year to a few parishes to use the “Pre-1955” Holy Week.

Veronica Brandt · March 28, 2018

Ratchets instead of Bells for your Electric Angelus

Remember to change any electronic bells this Friday and Saturday! Links to some good ratchet sounds included.

Jeff Ostrowski · March 27, 2018

PDF Download • Organ Accompaniment for “Vexilla Regis” (Hymn) by Fr. Adrian Fortescue

When I saw this page, my opinion of Fortescue went down—but then I remembered…

Jeff Ostrowski · March 26, 2018

Musical Resources • Holy Thursday (FSSP, 2018)

“…Who didst establish the salvation of mankind on the tree of the Cross; that whence death came, thence also life might arise again, and that he, who overcame by the tree, by the tree also might be overcome…” —Preface

Fr. David Friel · March 25, 2018

Liturgy outside Liturgy

A New Study of the Liturgical Theology of Alexander Schmemann

Guest Author · March 24, 2018

Towards An Online (Modern) Palestrina Edition

“I don’t think I need to say why a complete Palestrina online would be a good idea.” —Gervais Frykman

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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

Nothing should be allowed that is unworthy of divine worship, nothing that is obviously profane or unfit to express the inner, sacred power of prayer. Nothing odd or unusual is allowable, since such things, far from fostering devotion in the praying community, rather shock and upset it—and impede the proper and rightful cultivation of a devotion faithful to tradition.

— Pope Paul VI • 10/13/1966

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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