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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

Richard J. Clark · October 2, 2015

Believe. Connect. Disappear.

The older I get, I prepare more not to receive accolades, but to become invisible.

Jeff Ostrowski · October 1, 2015

Musical Resources • 19th Sunday after Pentecost (Extraordinary Form)

“Almighty and merciful God, in thy goodness put far from us all that may work us harm…”

Andrew Leung · October 1, 2015

Mass in the Ancient Form at a Basilica

The Traditional Latin Mass is being offered regularly at the Basilica of Sts. Peter and Paul in Chattanooga.

Dr. Alfred Calabrese · October 1, 2015

Is this the “Proper” solution for you?

I’ve decided to try an experiment that may work in other parishes.

Corpus Christi Watershed · September 29, 2015

Fr. David Friel At The Papal Masses (Part 2)

We are so proud of our own Fr. David Friel.

Dr. Lucas Tappan · September 29, 2015

Solfege

I feel that solfege is the fastest and most secure route to establishing the scale and the way its notes function within that scale in the minds of singers.

Andrew Leung · September 28, 2015

Papal Liturgies – Day 6 of the Papal Visit

Pope Francis celebrated the Closing Mass for the World Meeting of Families on the last day of his visit.

Jeff Ostrowski · September 28, 2015

PDF Download • Extremely Rare Hymnal (1952)

Published by the Catholic Choirmasters’ Guild of Buffalo, New York.

Veronica Brandt · September 26, 2015

Praise to the Holiest

The seven stanzas of amazingness by Blessed Cardinal Newman with three tunes to choose from.

Jeff Ostrowski · September 26, 2015

Fr. David Friel & Pope Francis

A friend kindly sent me these photos…

Andrew Leung · September 26, 2015

Papal Liturgies – Day 4 & 5 of the Papal Visit

2 Papal Masses in New York and Philadelphia.

Andrew Leung · September 24, 2015

My New Assignment—Part 1

Please pray for me as I continue to discern my vocation to the priesthood.

Jeff Ostrowski · September 24, 2015

Musical Resources • 18th Sunday after Pentecost (Extraordinary Form)

“In thy tender mercy, guide aright, we beseech thee, O Lord, our hearts…”

Dr. Alfred Calabrese · September 24, 2015

Getting the most from your choir: Passion

Passion … is a tremendous engine for achieving the very best results.

Jeff Ostrowski · September 24, 2015

Joan Brudieu • Simple Kyrie (Revised)

When people ask how to begin teaching polyphony, I show them this.

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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

“I have a great quarrel on with Dom Mocquereau over a very stiff book of his which we have translated & which a stupid American woman wants to be adapted to her understanding & terminology. It will be a little difficult to persuade the dear old man, for the lady is going to pay the piper. Truly money is at the root of all evils!”

— Dame Laurentia (talking about Justine Ward)

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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