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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

Gregorian Chant … with Organ Accompaniment?

Jeff Ostrowski · April 6, 2026

AROLD C. SCHONBERG served as chief music critic for The New York Times from 1960 to 1980. Schonberg’s heart belonged to the grand Romantic tradition of performance—with its expressive individuality, big sound, and interpretive freedom—so we shouldn’t be astounded to learn that he was skeptical of the so-called ‘authentic instruments’ craze. Schonberg was ruthless towards advocates of ‘historically informed’ performances, who wrote verbose articles explaining in a pedantic and serious tone (!) that period instruments were “supposed” to play out of tune. But as time went on, performers learned how to play the older instruments in tune. In other words, the problem was a lack of technique, rather than any deficiency in the instruments themselves. In that sense, Schonberg was vindicated.

Period Instruments • In a moment, I’ll explain why I bring up the ‘early music’ movement. But first, please listen to this ‘live’ recording of our children’s choir joining our volunteer parish choir to sing the INTROIT on Holy Thursday:

Here’s the direct URL link.

That musical score can be downloaded free of charge at the flourishing feasts website.

(1 of 3) Authentic Performance • There was a time in my life when I believed the only ‘correct’ way of singing Gregorian Chant was a cappella by men only. The legendary Father Valentine Young, OFM, eventually made me realize how wrong I was. He showed me that plainsong accompanied on the pipe organ can be very beautiful. But I also love a cappella plainchant sung by just men. And I also cherish a cappella plainsong sung by females only. The only version I hate is men and trebles in octaves a cappella, although that’s how Westminster Cathedral in England sang plainsong.1

(2 of 3) Authentic Performance • Someone might surmise that I’m a fan of ‘historically informed’ performances because I’ve spent the last three decades of my life studying adiastematic notation. As a matter of fact, I’m someone who’s quite skeptical of that movement. For instance, written correspondence has been discovered—from composers such as Sebastian Bach and Wolfgang Amadeus Mozart—in which they recount instances of their music being played by enormously large performing forces. The composers are ecstatic with joy! That suggests “smaller” performing forces were the result of financial limitations. Many ‘early music’ groups cover up or downplay such evidence … because large ensembles are quite a bit more expensive.

(3 of 3) Authentic Performance • Broadly speaking, I’m in favor of whatever produces the best music. For example, the performances I’ve heard played on a Piano-Forte pale in comparison to the interpretations by pianists of the Golden Age … and it’s not even close. In other words, who cares if something is performed on period instruments if the result is uninspired and dull?

Conclusion • There will always be people who say that when Mozart is performed by musicians wearing powdered wigs “it sounds better.” I reject such an idea. Is accompanied Gregorian Chant a development? Of course! On the other hand, the entire history of the Catholic Church includes development after development. For a long time, the pipe organ was forbidden (owing to certain associations it had). But as the centuries rolled along, those associations fell away—and the Second Vatican Council extolled the pipe organ’s use at liturgical services.

Hoc Unum Restat • For the record, I discovered a version of Nos Autem with a mysterious melody. Perhaps one of our readers could tell me whether they recognize it? Does anyone know its provenance?

1 An earlier version of this article erroneously said ‘female’ when referring to a boys’ choir. What was meant was trebles: viz. boys singing in the female octave.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Tagged With: Authentic instruments, Historically informed performances, Music played on period instruments, Nos autem gloriári opórtet, The Early Music People Last Updated: April 6, 2026

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About Jeff Ostrowski

Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He resides with his wife and children in Michigan. —(Read full biography).

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Corpus Christi Watershed

President’s Corner

    Simplified Accomp. • Schubert’s “Ave Maria.”
    Sometimes the organist must simultaneously serve as the CANTOR. (Those who work in the field of church music know exactly what I’m talking about.) One of our contributors composed this simplified keyboard accompaniment for Franz Schubert’s “Ave Maria,” a piece which is frequently requested for Catholic funerals and weddings. In terms of the discussion about whether that piece is too theatrical (‘operatic’) for use in Church, I will leave that discussion to others. All I know is, many church musicians out there will appreciate this simplified version.
    —Jeff Ostrowski
    “Reminder” — Month of April (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
    Simplified Accompaniment (Easter Hymn)
    Number 36 in the Brébeuf Hymnal is “At the Lamb’s high feast we sing,” an English translation for Ad Cenam Agni Próvidi (which was called “Ad Régias Agni Dapes” starting in 1631). As of this morning, you can download a simplified keyboard accompaniment for it. Simply click here and scroll to the bottom. Many organists are forced to serve simultaneously as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult—which explains why choirmasters appreciate these simplified keyboard accompaniments. Sadly, many readers will click that link but forget to scroll to the bottom where the simplified PDF file is located.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski
    PDF • “Liturgical Law” (467 Pages)
    On Good Friday during the middle ages, the pope privately recited THE ENTIRE PSALTER. If you don’t believe me, see for yourself by reading this passage by Dom Charles Augustine Bachofen (d. 1943). His famous book—called “Liturgical Law: A Handbook Of The Roman Liturgy”—was published by the Benjamin Herder Book Company, which was the American arm (operating out of St. Louis, Missouri) of one of the world’s most significant Catholic publishers. Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon). His 1931 masterpiece, Liturgical Law can be downloaded as a PDF file … 467 pages!
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 24 March 2026
    How well do you know your Gregorian hymns? Do you recognize the tune inserted into the bass line on this score? For many years, we sang the entire Mass in Gregorian chant—and I mean everything. As a result, it would be difficult to find a Gregorian hymn I don’t recognize instantly. Only decades later did I realize (with sadness) that this skill cannot be ‘monetized’… This particular melody is used for a very famous Gregorian hymn, printed in the LIBER USUALIS. Do you recognize it? Send me an email with the correct words, and I promise to tell everybody I meet about your prowess!
    —Jeff Ostrowski

Random Quote

“In everything of any importance at all, Sarum (and all other mediæval rites) was simply Roman, the rite which we still use.”

— Fr. Adrian Fortescue (1912)

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