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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

Archives for October 2017

Jeff Ostrowski · October 17, 2017

PDF Download • Rare German Hymnal

Fr. Guido Maria Dreves was a Jesuit priest who died in 1909.

Jeff Ostrowski · October 15, 2017

Video • “Subveníte Sancti Dei” (Requiem)

November 2nd will be here soon!

Fr. David Friel · October 15, 2017

6th-Century Icon: God of Mercy and Justice

A thoughtful reading of an icon at the Holy Monastery of Saint Catherine in Sinai, Egypt

Veronica Brandt · October 14, 2017

Christus Vincit – Christ Conquers

A little more on the triumphal chant inspired from Roman victory celebrations.

Jeff Ostrowski · October 14, 2017

19th Sunday after Pentecost (3rd in October)

“Let Thy healing power, O Lord, in mercy deliver us from our waywardness and cause us ever to cleave to Thy commandments…”

Corpus Christi Watershed · October 12, 2017

Saturday! • Bishop Serratelli to offer Solemn EF Mass

Bishop Arthur J. Serratelli has several times served as chairman of the USCCB Committee on Divine Worship.

Dr. Lucas Tappan · October 10, 2017

The Problem of Acedia

We rarely speak of greatness in the Church anymore for fear of driving people away, yet look at all of the men who responded to the call of the priesthood because of the example of Pope St. John Paul II.

Corpus Christi Watershed · October 9, 2017

PDF Download • Responsorial Psalms (502 Pages)

Composer Brian Michael Page releases his work of 22 years!

Fr. David Friel · October 8, 2017

In the Beauty of Holiness: Music and the Transcendent

New Lecture Series at the International Institute for Culture

Jeff Ostrowski · October 6, 2017

EF Introit for this coming Sunday: “Da Pacem”

Never let anyone tell you there is no longer interest in Gregorian chant.

Richard J. Clark · October 6, 2017

Three Entrance Antiphons for the Celebration of Marriage

Free Download: Three Entrance Antiphons For the Celebration of Marriage

Jeff Ostrowski · October 6, 2017

18th Sunday after Pentecost (2nd in October)

“Let the operation of Thy mercy, we beseech Thee O Lord, direct our hearts, for without Thee we cannot please Thee.”

Andrew Leung · October 5, 2017

A Liturgical Tragedy

I have experienced a similar situation before, and it was not a pleasant experience.

Jeff Ostrowski · October 4, 2017

Superlative Way To Explain Polyphony

To use melodies in this way may seem an easy task, but nothing could be further from the truth.

Jeff Ostrowski · October 3, 2017

Agnus Dei • “Missa Mille Regretz” by Fr. Cristóbal de Morales (d. 1553)

Can you hear the imaginary high note?

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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

“As liturgical art, church music is obliged to conform to ecclesiastical law. But to construct artificial polarities here, between legalistic order and a dynamic church music, demanded by the alleged needs of the day, would be to forsake the foundation of a music rooted in liturgical experience. What is in fact the pastoral value of the shoddy, the profane, the third-rate?”

— Dr. Robert Skeris (1996)

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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