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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

Improvising – and Praying – on the Propers

Richard J. Clark · January 10, 2014

N RECENT YEARS, I HAVE ADOPTED THE HABIT of improvising on the propers when appropriate and applicable. Most often, this may be at a mass without choir, or perhaps one of the “off-peak” masses. This also comes in the form of the occasional prelude improvisation, usually on the Introit. In doing so, one can never be reminded enough of these words from the Second Vatican Council:

“In the Latin Church the pipe organ is to be held in high esteem, for it is the traditional instrument which adds a wonderful splendor to the Church’s ceremonies and powerfully lifts up man’s mind to God and to higher things.” (Sacrosanctum Concilium, 120),

Coupled with the above phrase must be the following:

“Therefore sacred music is to be considered the more holy in proportion as it is more closely connected with the liturgical action…” (Sacrosanctum Concillium § 112)

When one can print the text in a worship aid, the prayerful connection is easily made. However, when this is not the case, what purpose does it serve, and why persist in doing it? The answer is more closely related to the interior prayer life of the organist. Not only is a melody the subject of improvisation, but also the text must be in the heart of the improviser throughout!

To make a habit of carrying these texts in one’s heart on a regular basis can only be helpful to the prayer life of the organist. But what does this accomplish for anyone else? What does this accomplish liturgically? Well, a few things. First of all, a must read is Part Four of Dr. William Mahrt’s “The Musical Shape of the Liturgy: The Function of the Organ.” Dr. Marhrt points out the ancient common practice:

“The prescription found in medieval liturgical books that a melody which is to be carried by the organ is cantabitur in organis (it shall be sung upon the organ), or even dicetur in organis (it shall be said on the organ), and it acknowledges this function of implicitly bearing the text.”

However, this applies to well-known sacred melodies that a listener would easily recognize. The most common example are masses sung in alternatum with the organ. It is clearly understood what the text is whether sung or played.

But what about melodies that are unfamiliar, especially in a present-day context? Consider too, that the heart of improvisation is elaboration. Then what? Does anyone have any idea what we are doing? Is it important? Very few Offertory melodies are being whistled on the way out the door.

In such cases, one would not argue that the organ is speaking the text in the sense of ”dicetur in organis” (it shall be said on the organ). Rather, the music must serve to the heart of prayer in of itself, as well as serve the ongoing liturgical action, which improvisation tends to do fairly well.

CLOSE FRIEND, A PRIEST once told me years ago something I’ve never forgotten. “The people don’t need to know what it is to understand it.” In other words, they will understand the prayer interiorly if not in words. Since hearing that, I have always thought it important to play and pray music related to a relevant text. This is not an excuse for laziness and to not provide texts in worship aids. But in times when texts are not readily available, or even if they are, the liturgical understanding is not present, one relies on faith that what the musician prays edifies and transports those with open ears open to prayer.

Another friend recently wrote to me, “I don’t think that the average Catholic has a conscious appreciation of our need for sacred mystery.” However, I believe that there might be a subconscious hunger for the sacred mysteries. While this may sound silly to some of us, it is worth the reminder to never be afraid of expressing mystery. Improvisation does this quite well as it unleashes the spirit. Coupled with Gregorian Chant, improvisation gives further voice to the sacred. Do not be afraid of the mystery!

ERE I OFFER TWO somewhat random examples from the twenty-third Sunday in Ordinary Time. While crude videos, they were recorded during mass, hopefully retaining the continuity of the liturgical action. In somewhat of a colorful French, yet modal language, I hope my limited improvisational skills assist in prayer.

Hopefully, if we make a habit of keeping the prayers of the propers in our hearts, we will ourselves become converted and transformed in the ways we most need. This in turn may assist in all the other work that we must do.

There is power in improvisation and in prayer.

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

Filed Under: Articles Tagged With: Improvisation, Pipe Organ, Propers Last Updated: January 1, 2020

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About Richard J. Clark

Richard J. Clark is the Director of Music of the Archdiocese of Boston and the Cathedral of the Holy Cross.—(Read full biography).

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Corpus Christi Watershed

President’s Corner

    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    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
    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

In the United States, Archbishop Kenrick had said in his “Moral Theology” that it was acceptable to sing the “Véni Sáncte Spíritus” before the sermon.

— Monsignor Schmitt (1977)

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