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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

First Instance of “Alius Cantus Aptus”

Jeff Ostrowski · June 21, 2016

HE HOLY WEEK REVISIONS of Pope Pius XII could be looked at as the beginning of liturgical deformation that would happen later. 1 This was true for a variety of reasons. For example, it introduced the notion—which was quite serious—that a committee could get together for meetings, “fix” the liturgy, then impose these changes on the entire church. Before that point, the Church had basically allowed the liturgy to grow organically. Another key concept was introduced which we’ve mentioned numerous times: ALIUS CANTUS CONGRUUS. László Dobszay referred to alius cantus as “anthrax in the envelope” of post-conciliar decrees.

This is not to say there were no choices whatsoever involved in the Tridentine Mass. If you look carefully, you will occasionally find a tiny little option here or there—but this has nothing to do with replacing the Propers 99% of the time, which is the situation in most Ordinary Form churches and contradicts what Vatican II wanted.

Anyhow, buried in one of the pages of the ORDO HEBDOMADAE SANCTAE we find this rubric:

248 Ordo Hebdomadae Sanctae ALIUS CANTUS


Nihil impedit, quominus cantetur a fidelibus hymnus Christus vincit, vel alius cantus in honorem Christi Regis. Translated into English, that means:

“The faithful may also sing the hymn CHRISTUS VINCIT or any other chant in honour of Christ the King.”

That’s the first time I know of “alius cantus aptus,” which would become the favorite phrase of the Consilium. In English, it means “anything else appropriate.”

AS FAR AS THE OFFICIAL BOOKS ARE CONCERNED, the liturgical progressives lost the battle over Mass facing the people. The Ordinary Form rubrics assume that priest & congregation will face the same direction for certain parts of the Mass. Robert Cardinal Sarah—appointed by Pope Francis as prefect of the CDW—recently confirmed this:

“In my capacity as the prefect of the Congregation for Divine Worship and the Discipline of the Sacraments, I continue to remind all that the celebration toward the East (versus orientem) is authorized by the rubrics of the missal, which specify the moments when the celebrant must turn toward the people.”

However, they eventually won the “alius cantus” battle, at least in terms of what is allowed by the rubrics.

N.B. Two other random facts: Kyrie IX is assigned as an option for Holy Thursday. (I knew about Kyrie IV, but not Kyrie IX.) Also, the monastic version of the ORDO HEBDOMADAE SANCTAE is 500 pages long!



NOTES FROM THIS ARTICLE:

1   Before he died, Archbishop Bugnini himself admitted this, calling it “the first breach.”

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

Filed Under: Articles Tagged With: Alius Cantus Aptus, Alius Cantus Congruus Last Updated: January 1, 2020

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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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President’s Corner

    “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 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
    PDF Download • “Quasi Modo Sunday”
    The Introit for “Quasi Modo Sunday” (12 April 2026) is particularly beautiful. The musical score can be downloaded as a PDF file, and so can the organ accompaniment. The official language of the Catholic Church is Latin (whereas Greek is our mother tongue). Vatican II said Gregorian Chant must be given “first place” under normal circumstances. As a result, some parishes will rightly sing the authentic version. On the other hand, because so many USA dioceses disobey the mandate of Vatican II, some musicians sing plainsong in the vernacular. I have attempted to simultaneously accompany myself on the pipe organ while singing the English version. Although very few take advantage of it, the complete Proprium Missae is posted at the flourishing feasts website.
    —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

“We must say it plainly: the Roman rite as we knew it exists no more. It has gone. Some walls of the structure have fallen, others have been altered—we can look at it as a ruin or as the partial foundation of a new building. Think back, if you remember it, to the Latin sung High Mass with Gregorian chant. Compare it with the modern post-Vatican II Mass. It is not only the words, but also the tunes and even certain actions that are different. In fact it is a different liturgy of the Mass.”

— Fr. Joseph Gelineau (1978)

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