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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

Jeff Ostrowski Attempts to Sing the Easter Introit

Jeff Ostrowski · March 15, 2024

ESTERDAY AFTERNOON, I attempted to sing (and accompany) the ancient INTROIT for Easter Sunday. You can listen to my attempt below. I opted for the Church’s official rhythm, choosing the pipe organ accompaniment by the LEMMENSINSTITUUT. It’s utterly miraculous how we can trace CARMEN GREGORIANUM (Gregorian Chant) going back 1,300 years. For example, here’s how this same INTROIT—“Resurréxi Et Adhuc Tecum Sum”—appeared in a manuscript created sometime during the 1300s:

*  PDF Download • “Resurréxi” (Ancient Manuscript)
—Easter Sunday’s INTROIT in a manuscript created circa 1393AD.

Here’s the direct URL link.

Ancient Music • The Easter Sunday Propria Missae constitute some of the most ancient music we possess. The official edition (“EDITIO VATICANA”) took into consideration the entire Gregorian tradition—not just a handful of manuscripts—and from that tradition created a CENTO. If I live to be 100 years old, I’ll never understand why some singers select a particular manuscript (such as 121einsie|961) and try to apply that manuscript’s groupings or rhythm to the official edition, which is a CENTO. That would be similar to taking pedal markings from a piece by Franz Liszt and applying them (!) to a piece by Johannes Brahms. In other words, the EDITIO VATICANA by its very nature will be similar but not identical to any single manuscript.

Here’s how the Introit from Easter Sunday looked in Yrieix|1040, written (perhaps) circa 1040AD:

I Reject This! (1 of 2) • There are some who claim that all manuscripts after 980AD are worthless from a rhythmic point of view. Even a priceless and magnificent manuscript such as Yrieix|1040 (in their view) is essentially garbage, because it doesn’t correspond to a handful of manuscripts for which they have a predilection. I don’t wish to begin that argument all over again. I would simply say that I reject the notion that we should “toss out” or “consider worthless” “treat as garbage” 98% of ancient manuscripts from the ‘Golden Age’ of CARMEN GREGORIANUM just because certain people feel a strong predilection for 2-3 manuscripts. I don’t think that makes any sense.

I Reject This! (2 of 2) • I’m absolutely convinced that if a dramatic change in rhythm took place around the year 1,000AD we would have evidence of such a change. Moreover, there was no Internet in those days. Nor did telephones exist. Nor did automobiles exist. Nor did airplanes exist. Therefore, even if somebody woke up one morning and decided to dramatically modify (!) the rhythm of Gregorian Chant, it would not have been possible to notify all the other monasteries (in all the other countries). Furthermore, I believe many monasteries would have forcefully rejected such a proposal, choosing to continue singing plainsong the same way—broadly speaking—they always had. Indeed, with each passing day more manuscripts are added (thanks to the Internet) and each one is a like a slow and uncompromising death knell for anyone arguing a dramatic and universal (!) rhythmic change somehow took place circa 1,000AD.

Moslem Music? • When it comes to ancient music that we can know with certainty CARMEN GREGORIANUM (“Gregorian Chant”) is far and away the oldest. If somebody tells you Jewish music is more ancient than Gregorian chant, they’ve been deceived. If somebody tells you that Muslim music is more ancient than Gregorian chant, they’re not telling you the truth. The reason for this seeming contradiction is simple: Roman Catholics figured out how to write down music long before anybody else. We know the ancient Greeks had music, but we have no reliable understanding of it (because Catholics were the first to figure out how to accurately notate music). We know the ancient Jews had music, but we have no credible notation for it (because Catholics were the first to figure out how to accurately notate music). We know that ancient Moslems sang, but we have no contemporaneous documentation for it (because Catholics were the first to figure out how to accurately notate music). On the Internet, you can find gullible singers who try to make Gregorian Chant sound “more authentic” by imitating the way Muslims or Jews—in the year 2024—sing. This is the equivalent of musicological malpractice. Make no mistake about it: Gregorian Chant is the earliest music we can know with certainty.

Here’s the text from Easter Sunday’s INTROIT in Latin:

Resurréxi, et adhuc tecum sum, allelúia: posuísti super me manum tuam, allelúia: mirábilis facta est sciéntia tua, allelúia, allelúia. Vs. Dómine, probásti me et cognovísti me: tu cognovísti sessiónem meam et resurrectiónem meam. Vs. Glória Patri, et Fílio, et Spirítui Sancto. Sicut erat in princípio, et nunc, et semper, et in sǽcula sæculórum. Amen. Resurréxi, et adhuc tecum sum, allelúia: posuísti super me manum tuam, allelúia: mirábilis facta est sciéntia tua, allelúia, allelúia.

Here’s the text from Easter Sunday’s INTROIT in English:

I arose, and am still with Thee, alleluia; Thou hast laid Thy hand upon me, alleluia; Thy knowledge is become wonderful, alleluia, alleluia. Vs. Lord, Thou hast searched Me and known Me; Thou knowest my sitting down and My rising up. Vs. Glory be to the Father, and to the Son, and to the Holy Ghost. As it was in the beginning, is now, and ever shall be, world without end. Amen. I arose, and am still with Thee, alleluia; Thou hast laid Thy hand upon me, alleluia; Thy knowledge is become wonderful, alleluia, alleluia.

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

Filed Under: Articles, PDF Download Tagged With: Carmen Gregorianum, Easter Sunday Introit, Gregorian Rhythm Wars Last Updated: March 15, 2024

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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

    Music List • (Easter Sunday, 2026)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for Easter Sunday—a.k.a. “Ad Missam in die Paschae”—which is 5 April 2026. Please feel free to download it as a PDF file if such a thing interests you. The Fauxbourdon for Communion is particularly moving.
    —Jeff Ostrowski
    PDF Download • “Sprinkling Rite”
    Liturgical reformers who gained power after Vatican II frequently caused great suffering to musicians. With the stroke of a pen, they sometimes make changes that would require thousands—or even millions—of man hours (work undertaken by composers and editors). The Sprinkling Rite during Eastertide is but one tiny example. The version given in that PDF document was the original melody for Roman Missal, Third Edition. Some still prefer that version. However, at the last moment, an “unknown hand” tinkered with a few notes in the antiphon. Those who examine the current edition can verify this with their own eyes.
    —Jeff Ostrowski
    ‘Sarum’ Good Friday?
    Plainsong of the Roman Rite has many variants—i.e. slight ‘variations’ or ‘alterations’ made to the ancient melodies. Variants often thrive in particular religious orders. Likewise, before Henry VIII broke away from the Catholic Church, Gregorian Chant variants were frequently associated with individual cathedrals in England: Hereford, Lincoln, Salisbury, and so forth. In the early 20th century, the (Anglican) organist at Westminster Abbey married “Let All Mortal Flesh Keep Silence” to this beautiful variant melody from England. Those who sing Gregorian Chant on Good Friday will recognize the melody. What do you think of this pairing?
    —Jeff Ostrowski

Quick Thoughts

    “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
    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski
    PDF Download • “Holy, Holy, Holy”
    For vigil Masses on Saturday (a.k.a. “anticipated” Masses) we use this simpler setting of the “Holy, Holy, Holy” by Monsignor Jules Vyverman (d. 1989), a Belgian priest, organist, composer, and music educator who ultimately succeeded another ‘Jules’ (CANON JULES VAN NUFFEL) as director of the Lemmensinstituut in Belgium. Although I could be wrong, my understanding is that the LEMMENSINSTITUUT eventually merged with “Catholic University of Leuven” (originally founded in 1425). That’s the university Fulton J. Sheen attended.
    —Jeff Ostrowski

Random Quote

“It is difficult to imagine a more unjust situation than abortion, and it is very difficult to speak of obsession in a matter such as this, where we are dealing with a fundamental imperative of every good conscience—the defense of the right to life of an innocent and defenseless human being.”

— Pope St. John Paul II

Recent Posts

  • Music List • (Easter Sunday, 2026)
  • PDF Download • “Sprinkling Rite”
  • ‘Sarum’ Good Friday?
  • Gregorian Chant • The “Correct” Way of Singing ?
  • PDF Download • “Eb Organ Postlude”

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