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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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President’s Corner

    Dom Pothier • Photo from 1904
    Dom Paul Cagin, in a 1904 publication (L’oeuvre de Solesmes dans la restauration du chant grégorien) made sure to include a beautiful image of Dom Pothier, the legendary abbot of St-Wandrille. Also shown is a very young Dom André Mocquereau. Auguste Pécoul—considered the spiritual “son” of Abbat Prosper Guéranger of Solesmes—wrote as follows on 24 June 1901: “To forestall any confusion, let us remember that there is just one Gregorian notation—that restored, according to the ancient manuscripts, by the eminent Abbot of Saint-Wandrille, Dom Pothier.” ✠
    —Jeff Ostrowski
    PDF • “3-Voice Motet” (Father De Laet)
    I believe 99% of our readers will recognize this hymn tune. Perhaps Father Edgard De Laet should have called it a ‘hymn’ instead of a ‘motet for three voices’—but he’s technically correct, since MOTET is defined as: “a short piece of sacred choral music, typically polyphonic and unaccompanied.” The even verses are for three voices, as you will see if you download the PDF score at #20245. The odd verses may be song a cappella SATB or unison with organ.
    —Jeff Ostrowski
    PDF Download • “Hymn for 2 Voices”
    Readers who click on this video will see that it starts with verses of the “Pange Lingua” hymn by Saint Thomas Aquinas (d. 1274) arranged for two voices. However, there’s a polyphonic refrain (“Tantum Ergo”) for three voices, taken from Kevin Allen’s Motecta Trium Vocum. If your choir is very small, this piece is for you! You can download the PDF score free of charge—and you can also utilize the rehearsal videos for each individual voice—by navigating yourself to #20323.
    —Jeff Ostrowski

Quick Thoughts

    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    “Reminder” — Month of January (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. Signing up couldn’t be easier: simply scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

The “jolly good guy” kind of pastor can be an irritant. […] Ministers of the Gospel are not used car salesmen whose heartiness is a mile wide and an inch deep. A bemused layman told me that a bishop joked with him, but turned away like a startled deer when asked an important question…

— Fr. George Rutler (7 August 2017)

Recent Posts

  • Dom Pothier • Photo from 1904
  • PDF Chart • “Plainsong Rhythm”
  • PDF • “3-Voice Motet” (Father De Laet)
  • PDF Download • “Hymn for 2 Voices”
  • (January 2026) • “Children Singing Plainsong”

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