• Skip to primary navigation
  • Skip to main content
  • Skip to primary sidebar

Corpus Christi Watershed

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.”

  • Donate
  • Our Team
    • Our Editorial Policy
    • Who We Are
    • How To Contact Us
    • Sainte Marie Bulletin Articles
    • Jeff’s Mom Joins Fundraiser
  • Pew Resources
    • Brébeuf Catholic Hymnal
    • Jogues Illuminated Missal
    • Repository • “Spanish Music”
    • KYRIALE • Saint Antoine Daniel
    • Campion Missal, 3rd Edition
  • MUSICAL WEBSITES
    • René Goupil Gregorian Chant
    • Noël Chabanel Psalms
    • Nova Organi Harmonia (2,279 pages)
    • Roman Missal, 3rd Edition
    • Catechism of Gregorian Rhythm
    • Father Enemond Massé Manuscripts
    • Lalemant Polyphonic
    • Feasts Website
  • Miscellaneous
    • Site Map
    • Secrets of the Conscientious Choirmaster
    • “Wedding March” for lazy organists
    • Emporium Kevin Allen
    • Saint Jean de Lalande Library
    • Sacred Music Symposium 2023
    • The Eight Gregorian Modes
    • Gradual by Pothier’s Protégé
    • Seven (7) Considerations
Views from the Choir Loft

“Easy Polyphonic Agnus Dei” • Part 3 of 3

Jeff Ostrowski · September 24, 2021

HERE ARE, OF COURSE, numerous reasons authentic Catholic music has not been universally embraced (yet). One reason is difficult for some to accept: polyphony is frequently sung badly—with unbalanced voices, improper vowels, poor tuning, and so forth. The ability to sight-read music instantly does not guarantee a good performance. Choirs must sing polyphony multiple times before the harmonies “click.” Often, a performance can be greatly improved by simply shuffling your singers around. 1

Piecemeal Polyphony: Here in Los Angeles, we take advantage of a solution called “piecemeal polyphony.” I’ve spoken of this before; it means when we sing a polyphonic KYRIE ELEYSON, we begin by singing the third section (which is usually the hardest), mixing with plainsong in an ABA structure. Then we add the “Christe” section. Finally, we add the first section—and the piece is complete.

Bookmark This Link: Today, I am thrilled to release “Part 3 of 3” for a simple polyphonic setting of the AGNUS DEI. You will want to bookmark this URL, where you can easily access all three sections.

If you want to see a “Piecemeal Kyrie,” you can click here.

Here’s the final section:

*  PDF Download • AGNUS DEI (“Part 3 of 3”)
—The 2nd and 3rd sections are by Father Guerrero, the 1st by Nanino.

Rehearsal videos for each individual voice await you at #59013.

Deep Sadness: My soul is sad because most readers will not click on that 59013 link. As a result, they will miss out on the rehearsal videos for each individual voice; and those are very helpful for volunteer choirs! Mark my words: most readers will not explore that link—which fills me with gloom.


NOTES FROM THIS ARTICLE:

1   This is often called “Doctor James Daugherty’s Solution.” It consists of spending hours shuffling your singers, finding out which voices sound good standing next to one another. Shifting “John Doe” from the left side of someone to his right side can instantly make a tremendous difference—but, of course, this requires time and effort.

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

Follow the Discussion on Facebook

Filed Under: Articles, Featured, PDF Download Tagged With: Francisco Guerrero Composer, Piecemeal Agnus Dei, Piecemeal Polyphony, Simple Polyphony Last Updated: February 26, 2022

Subscribe

It greatly helps us if you subscribe to our mailing list!

* indicates required

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).

Primary Sidebar

Corpus Christi Watershed

President’s Corner

    PDF • “Music List” (4th Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 21 December 2025, which is the 4th Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is the famous “Roráte Coeli” and the fauxbourdon setting of the COMMUNION is exquisite. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • Our Lady of Guadalupe (12 Dec.)
    The Responsorial Psalm may be downloaded as a PDF file (organist & vocalist) for 12 December, which is the Feast of Our Lady of Guadalupe. When it comes to the formulary for this Mass, it’s astounding how infrequently it’s included in official books. Prior to Vatican II, one had to search through “supplemental material” printed in the back of hand-missals and graduals. But since 1970, the feast is virtually nonexistent. According to the UNIVERSAL KALENDAR, 12 December is the “Feast of Saint Jane Frances De Chantal, Religious” (Die 12 decembris: S. Ioannæ Franciscæ de Chantal, religiosæ). Why should that feast overpower Our Lady of Guadalupe? In the United States, OLG is celebrated—and I’d assume in Mexico, Central America, South America, and Canada—but, as I said, the Propria Missae are virtually impossible to locate. I possess only three books which mention this feast.
    —Jeff Ostrowski
    Simplified Accompaniment (Advent Hymn)
    Many organists are forced to simultaneously serve as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult. I invite you to download this simplified organ accompaniment (PDF) which in the Father Brébeuf Hymnal is hymn #661: “Come, Thou Long-Expected Jesus” (for ADVENT). I’m toying with the idea of creating a whole bunch of these, to help amateur organists. The last one I uploaded was downloaded more than 2,900 times in a matter of hours—so there appears to be interest.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Santo Santo Santo”
    Those searching for a dignified, brief, simple, bright setting of SANCTUS in Spanish (“Santo Santo Santo”) are invited to download this Setting in honor of Saint John Brébeuf (organist & vocalist). I wonder if there would be any interest in me recording a rehearsal video for this piece.
    —Jeff Ostrowski
    Pope Leo XIV on Sacred Music
    On 5 December 2025, Pope Leo XIV made this declaration with regard to liturgical music.
    —Corpus Christi Watershed
    “Translations Approved for Liturgical Use”
    According to the newsletter for USSCB’s Committee on Divine Worship dated September 1996, there are three (3) translations of the Bible which can be used in the sacred liturgy in the United States. You can read this information with your own eyes. It seems the USCCB and also Rome fully approved the so-called NRSV (“New Revised Standard Version”) on 13 November 1991 and 6 April 1992 but this permission was then withdrawn in 1994.
    —Corpus Christi Watershed

Random Quote

“No official approbation is required for hymns, songs, and acclamations written for the assembly.”

— Statement by the “Bishops’ Committee on the Liturgy” (10-NOV-1996)

Recent Posts

  • PDF • “Music List” (4th Sunday of Advent)
  • PDF Download • “Santo Santo Santo”
  • Crucial Tips • “Teaching Children How to Sing”
  • Soloists in Gregorian Chant?
  • PDF • Our Lady of Guadalupe (12 Dec.)

Subscribe

Subscribe

* indicates required

Copyright © 2025 Corpus Christi Watershed · Isaac Jogues on Genesis Framework · WordPress · Log in

Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.