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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

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

Musical Resources • 3rd Sunday of Advent (EF)

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

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 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.

Jeff Ostrowski · December 5, 2016

Bishop of Manchester • Letter Re: “Ad Orientem”

A $12,000 reward will be given to anyone who can produce a Vatican II document mentioning “celebration facing the people.”

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Corpus Christi Watershed

President’s Corner

    “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
    PDF • “Communion” (5th Sunday in Ordin.)
    The COMMUNION ANTIPHON for this coming Sunday, 8 February 2026—which is the 5th Sunday in Ordinary Time (Year A)—is truly delightful. You can download the musical score completely free of charge. This text will be familiar to altar boys, because it’s PSALM 42. The Feder Missal makes the following claim about that psalm: “A hymn of a temple musician from Jerusalem: he is an exile in a heathen land, and he longs for the holy city and his ministry in the Temple there. The Church makes his words her own.”
    —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

Last Fall, however, the bishop of Augsburg in West Germany, the Most Rev. Josef Stimpfle, ordered all parishes in his diocese to have a Latin High Mass at least once a month. This policy drew a letter of warm commendation from the apostolic nuncio to West Germany, Archbishop Guido del Mestri, who termed the decree “exemplary” and added, “The way chosen by you is one desired by the whole Church.”

— Latin Liturgy Association “Newsletter” (September 1980)

Recent Posts

  • Pope Paul VI • “Sacrificium Laudis” (15 Aug 1966)
  • “Sanctus VIII” • Organ Accompaniment
  • PDF Download • Sanctus VIII Organ Accompaniment (“Mass of the Angels”)
  • Gorgeous Image of Monks Singing!
  • “Let the Choir Have a Voice” • Jeff Ostrowski’s Essay on Choral Music in the Catholic Mass

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