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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

A Classic Example of Modal Modulation

Dr. Charles Weaver · November 12, 2023

A FEW MONTHS AGO, I wrote a post about a traditional and brief way of formulating the ethos or character associated with each of the eight modes. If you apply this way of thinking to your chanting, it can often bear a great deal of fruit for contemplation. It provides another dimension for us to think about as we approach a chant: liturgical context and meaning, melody, text setting, mode. In particular, I would like to suggest that you might get something out of adopting a dynamic rather than a static way of thinking about the modes.

Here is what I mean by a static way. What we teach our students is that we classify a melody into one of the modes by looking at its final and its range. The final is the last note of the melody, and it works like this: D is for modes 1 and 2; E is for modes 3 and 4; F is for modes 5 and 6; G is for modes 7 and 8. If a chant ends on another note, we consider it as being in a transposed version of one of the other modes. Typically C endings are mode 5, A endings are mode 2, and B endings are mode 4. The range refers to whether the final note is near the bottom of the range of pitches in the melody or somewhere in the middle. Near the bottom means an odd-numbered mode, while in the middle means an even-numbered mode. This is not really an exact science, but after spending a while with the melodies you get pretty confortable categorizing them.

In a dynamic way of thinking about the modes, we add on to what I wrote above by thinking of the modes as also having certain typical melodic patterns and certain notes that seem to anchor the mode. Often these are the same as the tenor or reciting tone of the psalm. Sometimes these are other notes, like the pitch F in the Easter introit. Sometimes a melody can visit other modes by adopting the melodic mannerisms of that mode. If you combine that with the modal ethos, you can sometimes get some real analytical insight. I know that sounds like dry theory, but I think it can be rewarding for any choir director to think this way!

A very clear example of this happened today at the communion in the ordinary form. The communion sets an excerpt from today’s gospel about the wise and foolish virgins. As usual, the Gregorian author did a great job of paraphrasing the gospel text to make a coherent and beautiful antiphon focused on one important aspect from the gospel lesson. That could be the basis for a whole other post. Anyway, the melody also moves between modes in an interesting way. First off, we have this phrase:

The antiphon is in mode 5, but if we single out this phrase, we are most certainly in mode 6, which is the mode of devotion. How fitting for the prudent virgins, who keep their vessels full of oil against the bridegroom’s coming—a praiseworthy act of devotion! When the cry comes announcing the coming of the bridegroom, it bursts forth into the fifth mode, the mode of joy:

This sudden rise up to the high E makes a really startling effect in context. As a depiction of the Lord’s coming, it it reminiscent of the image of the lightning coming from the east to the west.

Finally, we get a rather unusual (for a communion chant) melodic repetition, but with a new continuation:

On the command “go out,” the melody also goes outside of its previous limits, finding a new peak on the high F. Of course we don’t really think about chants in tonal terms, but the Schenkerian in me can’t help hearing this F as a long-term resolution to the high E in the previous phrase. If you’d rather think about this in a more historical way, we can think of the pointed character of the La on which we would sing the E in the solmization system, which finds some resolution in finally attaining the softness of the fa (F) above. Toward the cadence, the melody on the ending of “Christo” is also reminiscent of one of the formulaic phrases from fifth-mode graduals.

These are some tentative, sketchy beginnings of an analysis that occurred to me today while singing. Do you find the move from the mode of devotion to the mode of joy suggestive? For me, this kind of thinking helps me to shape the melody in my own singing.

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

Filed Under: Articles Last Updated: November 13, 2023

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About Dr. Charles Weaver

Dr. Charles Weaver is on the faculty of the Juilliard School, and serves as director of music for St. Mary’s Church. He lives in Connecticut with his wife and four children.—(Read full biography).

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Corpus Christi Watershed

President’s Corner

    A Nice Hymn In Spanish
    In my humble opinion, this is a really beautiful hymn in Spanish. If I practice diligently, I’ll be able to pronounce all the words properly. If you’re someone who’s interested in obtaining a melody only version (suitable for your congregational ORDER OF WORSHIP) you can steal that from this.
    —Jeff Ostrowski
    “Music List” • 21st in Ordinary Time (Year C)
    Our choir returns on Sunday, 24 August 2025. Some have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for it, which is the 21st Sunday in Ordinary Time (Year C). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are conveniently stored at the spectacular feasts website. When it comes to the feast of the Assumption (15 August 2025), I have uploaded the music list for that Mass—but not the “bi-lingual” Mass in the evening (Spanish, Latin, and English) which has completely different music.
    —Jeff Ostrowski
    “Entrance Chant” • 21st Sunday Ordin. Time
    You can download the ENTRANCE ANTIPHON in English for the 21st Sunday in Ordinary Time (Year C) which is coming up on 24 August 2025. Corresponding to the vocalist score is this free organ accompaniment. It’s set in a melancholy mode, but if you heard my choir’s female voices singing it your soul would be uplifted beyond belief. If you’re someone who enjoys rehearsal videos, this morning I tried to sing it while simultaneously accompanying my voice on the pipe organ.
    —Jeff Ostrowski

Quick Thoughts

    Solemn “Salve Regina” (Chant)
    How many “S” words can you think of using alliteration? How about Schwann Solemn Salve Score? You can download the SOLEMN SALVE REGINA in Gregorian Chant. The notation follows the official rhythm (EDITIO VATICANA). Canon Jules Van Nuffel, choirmaster of the Cathedral of Saint Rumbold, composed this accompaniment for it (although some feel it isn’t his best work).
    —Corpus Christi Watershed
    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “Hybrid” Chant Notation?
    Over the years, many have tried to ‘simplify’ plainsong notation. The O’Fallon Propers attempted to simplify the notation—but ended up making matters worse. Dr. Karl Weinmann tried to do the same in the time of Pope Saint Pius X by replacing each porrectus. You can examine a specimen from his edition and see whether you agree he complicated matters. In particular, look at what he did with éxsules fílii Hévae.
    —Corpus Christi Watershed

Random Quote

“Worse, composers are now setting the introits of the missal [instead of the Graduale] to music, even to chant, though these texts were explicitly for spoken recitation only.”

— ‘Dr. William Mahrt (Fall, 2015)’

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