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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

Extremely Rare! • Pages from the “Directorium Chori” (Solesmes Abbey, 1864)

Jeff Ostrowski · November 29, 2020

OM PAUL JAUSIONS and Dom Joseph Pothier were both ordained priests in 1858. These two monks were the ones who restored plainson: the authentic rhythm, the true musical pitches (“tones”), and the “type-fonts” of the traditional notation. Both of them spent hours copying ancient Gregorian manuscripts—both diastematic and adiastematic—carefully by hand, and both were quite adept at this. On a trip to America in 1870, Dom Jausions died in Indiana at the age of 36. Anyone who wants to learn about the “early history” of Gregorian chant should obtain The Restoration of Gregorian Chant: Solesmes and the Vatican Edition, which was published in the 1960s by Dom Pierre Combe. A wonderful English translation was published in 2003 by Father Robert Skeris and Dr. Theodore Marier (who died before the project was finished). The very first serious book they created together was called “Directorium Chori.” Dom Pierre Combe wrote as follows: “The Directorium Chori of 1864 was the first book of the Gregorian restoration at Solesmes, and even, it can be said, of the Gregorian restoration anywhere.” Unfortunately, Dom Prosper Guéranger (d. 1875) delayed the distribution of the Directorium chori, and the entire edition, except for a few rare copies (only four), was destroyed in a fire at the Vatar Printing Company around 1866.

Here are two pages of this extremely rare book:

72449-DIRECTORIUM
72451-DIRECTORIUM-CHORI-B-KR

For a first attempt, it’s quite gorgeous—although Solesmes would continue to improve over the next 100 years. The most beautiful book Solesmes ever produced was probably the ANTIPHONALE OF 1949, which was reprinted circa 1961. In this “Directorium Chori” of 1864, the fonts are slightly too small. Also, they use the “æ” ligature, whereas in later publications they would always use “ae.”

The “shocking” feature of this publication was the fact that no Virga was placed above the accented syllables, as corrupt editions did. Consider this corrupt edition from 1858:

Some authors attribute the composition of the Directorium chori to “Dom Jausions, with the collaboration of Dom Pothier.”

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

Filed Under: Articles Tagged With: Abbot Joseph Pothier of Solesmes, Directorium Chori 1864, Dom Paul Jausions Last Updated: November 29, 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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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

Many declare that Vatican Council II brought about a true springtime in the Church. Nevertheless, a growing number of Church leaders see this “springtime” as a rejection, a renunciation of her centuries-old heritage, or even as a radical questioning of her past and Tradition. Political Europe is rebuked for abandoning or denying its Christian roots; but the first to have abandoned her Christian roots and past is indisputably the post-conciliar Catholic Church.

— ‘Pope Francis’ Chief Liturgist (31 March 2017)’

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