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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

Jeff Ostrowski · December 14, 2016

Musical Resources • Christmas Midnight Mass (EF)

We won’t be singing “Rudolph the Red-Nosed Reindeer” for Offertory!

Dr. Lucas Tappan · December 13, 2016

A Late Gift for Nicholasmas

Unfortunately we live in a society in which parents can no longer allow the culture to help form their children, and in most instances are forced to fight such an un-cultural leviathan.

Jeff Ostrowski · December 12, 2016

Bauer Family Sings “O Magnum Mysterium”

…Victoria lives, thanks to fine youngsters such as these!

Fr. David Friel · December 11, 2016

The Historic Adaptability of the Marriage Rite

Evidence from Trent and Vatican II

Jeff Ostrowski · December 10, 2016

PDF Download • “Rorate Mass” Booklet

Including a video snippet taken in Los Angeles.

Jeff Ostrowski · December 9, 2016

Help! Why does my printer leave off the clivis?

When I print this entire booklet, the Communion inexplicably erases every clivis in the psalmody.

Richard J. Clark · December 9, 2016

Strong Leadership and Admitting Mistakes • Two Stories

A sure sign of an insecure leader is one whose first instinct is to blame others when something goes wrong.

Jeff Ostrowski · December 9, 2016

Musical Resources • 3rd Sunday of Advent (EF)

“Rejoice in the Lord always; again I say, rejoice.”

Jeff Ostrowski · December 8, 2016

And Now … Some Fantastic News!

Good people really do exist.

Jeff Ostrowski · December 8, 2016

PDF Download • Immac. Conception Music Booklet

Make sure to read the translation of the Offertory Hymn—so gorgeous!

Corpus Christi Watershed · December 8, 2016

Print This For Your Children To Color

Courtesy of John Sonnen.

Dr. Lucas Tappan · December 6, 2016

Where Does Your Heart Lie?

If Christmas day arrives and you haven’t been to confession, your daily prayer has suffered, and you haven’t eaten supper with your family at least five nights a week during Advent, you’re in too far.

Jeff Ostrowski · December 6, 2016

“Ad Orientem” • Archbishop Naumann’s Letter

“…there are, in the core of the Church’s sacramental teaching and experience, good contentions and corollary arguments to be made for both practices.” —Archbishop Naumann

Jeff Ostrowski · December 5, 2016

Lay Faithful Have Begun A Facebook Page

…for the new FSSP Apostolate in Los Angeles.

Richard J. Clark · December 5, 2016

Communion Antiphons for Christmas on “Sounds from the Spires”

“Sounds from the Spires” has been a great supporter of sacred music in the liturgy, bringing choral music, chant, and the pipe organ to a broad audience.

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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

“To me it is a most inspiring reflection that, while empires and kingdoms have tumbled down, while language and custom of every kind have changed beyond recognition, still day by day the humblest Catholic priest in the remotest mission stands at his altar dressed in the garb of old Rome.”

— Father Adrian Fortescue (8 February 1912)

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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