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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 • 1928 “Invitatory” (86 pages)

Jeff Ostrowski · September 10, 2020

WO YEARS after Dom Joseph Pothier left Solesmes to become Prior of Ligugé, the LIBER RESPONSORIALIS (1895) was published, which was entirely the result of Pothier’s research. In addition to those parts of Matins which don’t change, it contains first class feasts and the Common of the Saints: martyrs, confessor bishops, virgins, and so forth. This book is only for Matins, but the hymns are often repeated at Vespers. We were recently sent a rare book which seems to consist of excerpts from the LIBER RESPONSORIALIS. (Perhaps an expert on the Divine Office can let me know whether it contains anything the Liber Responsorialis does not.)

We thank the donor who sent us this book from 1928:

*  PDF Download • SOLESMES INVITATORY (86 pages)

The “invitatory” occurs at the beginning of Matins and therefore introduces the daily divine Office. The invitatory proper is the anthem or response, which is interspersed with the verses of Psalm 94 (Venite exsultemus Domino), the invitatory psalm. Note that the whole invitatory anthem is sung before some of the verses of the psalm, and the second part only before other verses.

I must admit I’m puzzled that Solesmes Abbey (via the Belgian Desclée brothers printing house) felt the need to produce such a book. My understanding is that the office of Matins is very rarely sung, even in the strictest of monasteries. When it is sung, it is usually done “recto tono.” I am told there was a tradition of secular clergy singing Matins for the feast of Christmas—and perhaps for some other great feasts—but as far as I know, seculars would usually recite Matins (and Lauds) privately.

In any event, it’s an interesting book. Composers of “English Plainsong” should make themselves aware of these tones, which are quite beautiful.

Here are some photos of the INVITATORY (1928):

74723-INVITATORY-C
74723-INVITATORY-B
74723-INVITATORY-A

And here are some photos from the LIBER RESPONSORIALIS (1895):

74723-RESPONSORIALIS-C
74723-RESPONSORIALIS-B
74723-RESPONSORIALIS-A

Full title of book: Invitatoria cum psalmo Venite exsultemus per varios tonos pro officiis de tempore et de sanctis. Typis Societatis S. Joannis Evangelistae • Desclée & Socii • S. Sedis Apostolicae et S. Rituum Congregationis Typographi • PARISIIS, TORNACI, ROMAE +

MENTIONED that the INVITATORY consists of excerpts from the LIBER RESPONSORIALIS (1895), which contains the pre-Urbanite hymn texts (i.e. “non-corrupted”), just as Dom Pothier had used the pre-Urbanite hymn versions in his 1891 Liber Antiphonarius. For instance, in the 1895 Liber Responsorialis we find “Praelium certaminis” instead of “Lauream certaminis” in Fortunatus’ Pange Lingua. About a decade later, in September of 1904, the Pontifical Commission for the Vatican Edition would adopt the following motion:

22. The Congregation of Sacred Rites shall be requested to return to the medieval text of the Hymns (a.) because the text corrected by Urban VIII is ill-suited to the needs of the chant; (b.) in consideration of the artistic unity of the whole of the liturgical work; and (c.) out of respect for the ancient and holy authors of a great portion of these chants.

They were not granted permission at that point, but some publishers included the ancient texts as an option. Indeed, any priests or monks or nuns who sang the Divine Office had never adopted the Urbanite revisions. For instance, the major Roman basilicas never adopted the revisions of Urban VIII; nor did the Benedictines.

To learn more about “pre-Urbanite” hymn texts, please obtain the Brébeuf hymnal, which has a color-page section explaining the subject in detail, with much original research:

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

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Filed Under: Articles, PDF Download Last Updated: September 17, 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

“Naturally the accompaniment of the organ is merely tolerated during the office of the dead, but in fact, in nearly every parish this toleration has become a habit.”

— Henri Potiron, 1958

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