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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

Corpus Christi Watershed

Corpus Christi Watershed · March 9, 2014

Peter Kwasniewski: Sacred Choral Works

This book collects twenty years’ worth of choral compositions for the Catholic liturgy.

Corpus Christi Watershed · March 4, 2014

Dr. Scott Hahn Visits Cardinal Burke in Rome

“An enjoyable visit this morning with Cardinal Burke, a godly prince-of-a-Prefect (of the Apostolic Signatura) and a friend of many years … God bless our good shepherds!”

Corpus Christi Watershed · February 9, 2014

Lulu Coupons Save You Money!

A most amazing thing! These coupon codes can be applied to your entire order!

Corpus Christi Watershed · January 19, 2014

1907 Biography of Giulio Bas

Giulio Bas was best known for his Gregorian accompaniments.

Corpus Christi Watershed · January 13, 2014

Pope Francis Says Mass “Ad Orientem” … Again!

These images come to us from Msgr. Guido Marini’s Facebook page, which has more than 100,000 followers.

Corpus Christi Watershed · December 15, 2013

Florida Priest Named Head Of USCCB Divine Worship Secretariat

Please note: It’s Fr. Michael J. Flynn … not Michael J. Fox! 🙂

Corpus Christi Watershed · December 13, 2013

Cardinal Burke Talks About The “Francis Effect” And Other Items

EWTN’s Raymond Arroyo asks questions of Raymond Cardinal Leo Burke.

Corpus Christi Watershed · December 12, 2013

Video Interview • Msgr. Georg Ratzinger About His Brother, Pope Benedict XVI

Msgr. Georg Ratzinger talks about his vocation, his brother’s vocation, and many other things.

Corpus Christi Watershed · December 10, 2013

“A Catholic Life” reviews the Campion Hymnal

“What separates this Missal from the others is its sheer beauty.” — A Catholic Life Blog

Corpus Christi Watershed · December 4, 2013

Francis on Benedict’s “Enlightened Conscience”

The Pope Emeritus “prays, reads, listens to music, dedicates himself to his correspondence, which is a lot, and receives visitors. Every day we walk together in the woods behind the monastery, reciting the rosary.” — Archbishop Ganswein (10/22/13)

Corpus Christi Watershed · November 24, 2013

Official Lenten Acclamations In Latin & English

“Acclamationes pro tempore Quadragesimae”

Corpus Christi Watershed · November 24, 2013

Traditional Latin Hymnal “Facts Sheet”

Folks have been requesting a “breakdown” of the St. Edmund Campion Hymnal … so here it is!

Corpus Christi Watershed · November 14, 2013

Kevin Allen Concert — Tomorrow Night!

Friday, November 15 at 7:00pm (CST) Kevin Allen will present a concert at St. Josaphat Church in Chicago, Illinois.

Corpus Christi Watershed · November 12, 2013

Cardinals Who Don’t Know Latin

This short video talks about Cardinals who didn’t understand the Pope’s resignation speech.

Corpus Christi Watershed · November 11, 2013

Two Upcoming Lectures on Sacred Art

The Beauty of the Liturgical Year: Advent

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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

“Abbat Pothier’s great accomplishment is having returned to the Catholic world—along with the traditional melody—the traditional way of performing it. The foundations laid by this providential man have been accepted by all those who practice Gregorian chant.”

— Dr. Peter Wagner (Commissionis Pontificiæ Gregorianæ Membrum)

Recent Posts

  • Pope Paul VI • “Sacrificum 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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