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Views from the Choir Loft

“Part 3 of 3” • Guerrero Kyrie for Our Lady

Jeff Ostrowski · August 13, 2021

HE PROJECT IS COMPLETE! Choirmasters find themselves in need of a brief yet powerful KYRIE ELEISON for their volunteer choirs—and there’s no better choice than Father Guerrero’s De Beata Virgine II (1582AD). It’s a gorgeous composition—but that’s not all. For instance, consider its third section (below). A choir director can explain how the thema comes directly from the plainsong, then describe how Guerrero’s counter-melody is “like a mirror-image” of the thema, and is picked up by the various voices. The choirmaster can also show how each voice has “balance”—in the sense that voices beginning with long values will be reversed later on (and vice-versa).

For all three movements: click here.

Here’s the third (and final) movement:

*  PDF Download • SECTION 3 of 3
—Father Guerrero’s “Missa De Beata Virgine II”
—Edition: Roma 1582AD.

Rehearsal videos for each individual voice await you at #59773.

More Interesting Things: Choirmasters who teach this piece can point out the “connection points.” What are connection points? One would be the Soprano, which gives the Alto its note in measure 1, then “connects” again in measure 4. The same thing (between the same voices) happens in measure 7 and measure 11. Another connection point would measure 11 and measure 14 between Tenor and Bass. And there are tons more! In measures 8-9 there is a tiny little “baby stretto” between Alto and Tenor; and the same thing happens between Bass and Alto in measures 11-12. In measure 5 and measure 12, the Alto voices gives their note to the Soprano voices (an octave higher). These are just a few examples you can share with your choir.

What Is A Trope? During the Middle Ages, most of the Mass prayers were troped. As Father Friel reminds us, Sequences were tropes. The Kyrie was troped. The Gloria was troped. The Agnus Dei was troped. Even the readings were troped. The Kyrie which Father Guerrero uses (see above) is called “Kyrie Cum Jubilo.” In the Editio Vaticana, it’s called KYRIE IX. If you don’t know what a Trope is, please scroll to the bottom of this article:

*  Article • “Reform of the Reform” • Eight Lies We Were Told

No More Tropes: On 20 July 1562, during the 22nd Session of the Council of Trent, a commission of seven prelates was appointed to examine the question of liturgical abuses. Among the Postulata nonnullorum patrum circa varios abusus in missis subinductos—(“Petitions by certain Fathers about various abuses introduced into Mass”)—one finds the following: “Let those additions Mariam gubernans, Mariam coronans be removed from the hymn Glória in excélsis; they seem an unbefitting insertion” (source). On 7 January 1575, Father Guerrero’s chapter in Sevilla decreed that henceforth the Roman rite, as reformed by the Council of Trent, is to be used exclusively. This decree rendered obsolete such “troped” Masses as Guerrero’s De beata Virgine (1566) as well as polytextual Masses, such as his Beata Mater (1566). [But those who have attended the Sacred Music Symposium know that the texts can be altered so these Masses can still be used.]

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

Filed Under: Articles, PDF Download Tagged With: Missa De Beata Virgine II, Piecemeal Polyphony Last Updated: February 26, 2022

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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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Corpus Christi Watershed

President’s Corner

    Urgent! • We Desperately Need Funds!
    A few days ago, the president of Corpus Christi Watershed posted this urgent appeal for funds. Please help us make sure we’re never forced to place our content behind a paywall. We feel it’s crucial that 100% of our content remains free to everyone. We’re a tiny 501(c)3 public charity, entirely dependent upon the generosity of small donors. We have no endowment and no major donors. We run no advertisements and have no savings. We beg you to consider donating $4.00 per month. Thank you!
    —Jeff Ostrowski
    “Booklet of Eucharistic Hymns” (16 pages)
    I was asked to create a booklet for my parish to use during our CORPUS CHRISTI PROCESSION on 22 June 2025. Would you be willing to look over the DRAFT BOOKLET (16 pages) I came up with? I tried to include a variety of hymns: some have a refrain; some are in major, others in minor; some are metered, others are plainsong; some are in Spanish, some are in Latin, but most are in English. Normally, we’d use the Brébeuf Hymnal—but we can’t risk having our congregation carry those heavy books all over the city to various churches.
    —Jeff Ostrowski
    “Yahweh” in church songs?
    My pastor asked me to write a weekly column for our parish bulletin. The one scheduled to run on 22 June 2025 is called “Three Words in a Psalm” and speaks of translating the TETRAGRAMMATON. You can read the article at this column repository. All of them are quite brief because I was asked to keep within a certain word limit.
    —Jeff Ostrowski

Quick Thoughts

    “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
    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed
    When to Sit, Stand and Kneel like it’s 1962
    There are lots of different guides to postures for Mass, but I couldn’t find one which matched our local Latin Mass, so I made this one: sit-stand-kneel-crop
    —Veronica Brandt

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“The scholar who lives only for his subject is but the fragment of a man; he lives in a shadow-world, mistaking means for ends.”

— Msgr. Ronald Knox (1888-1957)

Recent Posts

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  • Available! • Free Rehearsal Videos for Agnus Dei “Mille Regretz” after Gombert (d. 1560)
  • Urgent! • We Desperately Need Funds!
  • PDF Download • “Polyphonic Extension” (Kevin Allen) for Gloria III
  • “Booklet of Eucharistic Hymns” (16 pages)

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