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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

Cynthia Ostrowski · September 30, 2014

Catholic Line Art, Black and White • Installment #58

Today’s installment comes from the Feast of the Nativity of St. John the Baptist.

Jeff Ostrowski · September 29, 2014

Unforgivable Sins

The great Achilles’ heel of church musicians.

Fr. David Friel · September 28, 2014

Married Couples at the Synod

Celibates have something to offer married couples, just as married couples have lessons to teach celibates.

Veronica Brandt · September 27, 2014

Choirs give hope

Like the precious ointment on the head, that ran down upon the beard, the beard of Aaron

Richard J. Clark · September 26, 2014

Good Cop, Bad Cop

What takes lasting root in liturgy are the things we discover for ourselves.

Dr. Peter Kwasniewski · September 25, 2014

Confusions about Inculturation

A false notion of inculturation has allowed for a vast profanation and paganization of Catholic life and worship.

Jeff Ostrowski · September 24, 2014

Are We Getting Dumber?

In spite of all the progress our civilizations have made, the self-appointed “expert liturgists” are regressing.

Cynthia Ostrowski · September 24, 2014

Catholic Line Art, Black and White • Installment #57

Here is a “catalogue” which clearly lists the woodcuts made available so far.

Jeff Ostrowski · September 23, 2014

Photographs • Cardinal Lercaro (Consilium President)

Cardinal Lercaro (President of the Consilium) must not be mixed up with Cardinal Larraona (Prefect of the Sacred Congregation of Rites).

Aurelio Porfiri · September 23, 2014

Cardinal Lercaro: A Key Player In Liturgical Reform

“This booklet made quite a splash. Even Paul VI had to publicly defend Cardinal Lercaro.” — Aurelio Porfiri

Corpus Christi Watershed · September 22, 2014

VIDEO • Cardinal Burke Thoroughly Explains Catholic Teaching On Marriage

A 52-minute interview with Raymond Leo Cardinal Burke, Prefect of the Supreme Tribunal of the Apostolic Signatura.

Jeff Ostrowski · September 22, 2014

Fair-Weather Friends Of Good Liturgy & Pope Francis

The catastrophic scandals in our Church, especially those perpetrated by members of the hierarchy, are an opportunity for us to place all of our trust in God.

Jeff Ostrowski · September 21, 2014

WEDDING MUSIC FOR A B

(A) Organ music for procession. (B) Introit = Ladies —- “Deus Israel” (C) Kyrie (Rene as Tenor) = 5294 • KYRIE “Iste Sanctus” Figure out how it will be sung… Normal is fine. (D) Gloria (Rene as Tenor) = 7709 • Viadana “Falsobordone Gloria” (E) ALLELUIA (Rene as Tenor) = 3524 • Guerrero “Alleluia” for […]

Veronica Brandt · September 20, 2014

A New Book of Old Hymns 4th edition out now!

60 hymns, 92 pages. Get 25% off with code MATEY25 now through 22 September – good for all books on Lulu

Richard J. Clark · September 19, 2014

Many Questions | Pope Saint John Paul II’s Letter to Artists (Part 2)

Saint John Paul stated: “The ‘beautiful’ was thus wedded to the ‘true’”. Is there a standard for what is beautiful?

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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

“If a pope were only ever applauded, he would have to ask himself whether or not he was doing things right.”

— Pope Emeritus Benedict XVI (2016)

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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