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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

PDF Download • “Polyphonic Creed Extension” (Perfect Canon Between Soprano & Alto)

Jeff Ostrowski · July 3, 2021

E DON’T KNOW very much about how the Last Supper would have looked. Most scholars believe the Apostles and our Blessed Lord would have been laying down (“reclining”) as they ate. Some scholars have tried to guess how Jewish rituals might have influenced the early Christian rites and “disciplina arcana”—and Father Adrian Fortescue did as well. Because of the words “Postquam cœnatum est,” we know that the chalice our Lord consecrated was the fourth (last) Hallel cup. I am certainly not qualified to add to this type of scholarship in any way.

Dogs In Church: In spite of what certain internet authors assert, there is much we don’t know about the sacred liturgy even in “modern” times—such as the 16th century. Contemporaneous documents show it was quite common to bring dogs into church at that time. The noisy dog sounds were something prayerful Catholics complained about vociferously. What exactly did that look like? It’s doubtful there would have been silence in the nave of the church—even while complex polyphony was being sung! And people back in those days (who had to work so hard) often smelled bad … which is why incense was used according to some sources. Furthermore, how long did it take the Celebrant to pray the Canon? Examining the length of certain settings (SANCTUS + HOSANNA + BENEDICTUS + HOSANNA), it would seem the priest took a very long time saying the Canon.

Make It Fit Our Times: Therefore, Catholics have always needed to adapt traditional music to the sacred liturgy of the times. In today’s environment—for a variety of reasons—it might be imprudent to attempt a full Renaissance setting of the CREDO, which can easily last 9 minutes or more. Therefore, we are “stealing” something from the Germans. The Germans sing the Creed in plainsong, but switch to polyphony for the “Et Incarnatus Est” section. My choir has been singing Credo VII with added polyphonic sections.

An Example: I don’t like hearing my Soprano voice (I’m a Baritone), but my colleague Keven Smith has encouraged me to continue—so here’s my attempt at a simulation video:

*  PDF Download • Credo Extension (Perfect Canon)
—Based off something Father Guerrero published in 1566AD.

Rehearsal videos for each individual voice await you at #62964 .

Singing Is Physical: There is something I wish I could get across: Singing is physical. A recording device cannot reproduce a choral sound. The piano is a percussive instrument, and can be recorded with greater fidelity than a choir. What I’m trying to say is this: A choral sound is something physical, and microphones cannot capture it. We must form choirs; and this requires a minimum of three singers per part. When just two singers tackle a part, one voice will always dominate the other. You don’t have a choir until you have a minimum of three (3) singers per part. Four soloists singing SATB cannot substitute for an actual choir. Listen to this live hymn recording from last week at our parish and see whether you agree no individual voices “stick out.” Because choral music is physical—I’m talking about the sound waves created—there’s nothing as powerful as hearing a real choir sing in real life, especially if they are in “mixed formation.” I believe that we must form choirs and show priests how an actual choir sounds in real life; only then will we begin to see progress in the realm of Catholic Church music.

You can hear an excerpt of my choir singing that Guerrero Credo extension—but please realize that was the first time we attempted it, and it will improve as we continue to sing it.

P.S. To download a “Credo” image from the 14th century, click here.

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

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Filed Under: Articles, PDF Download Tagged With: Credo VII, Missa Papae Marcelli Last Updated: July 13, 2021

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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

    “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

“The plan to definitively abolish the traditional Tridentine Mass … if it is true, seems to me to be an insult to the history of the Church and to Sacred Tradition, a diabolical project that seeks to break with the Church of Christ, the apostles, and the saints.”

— The Vatican’s chief liturgist (appointed by Pope Francis) from 2014-2021

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