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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

Allowed or Forbidden? • Parallel Fourths in Renaissance Polyphony

Jeff Ostrowski · August 6, 2020

HOSE WHO CLICK on #79075 will find marvelous items. The first is a special “Mode 7” version of the MAGNIFICAT combining versions from Father Guerrero, Father Morales, and Palestrina. (All are seventh mode, so they mix together well.) The score helps singers understand that the Mode 7 plainsong appears in each voice elongated (“in augmentation”) depending upon the movement. (In the live recording below, the final movement is omitted). Not only that, but rehearsal videos for each individual voice are provided at #79075. On top of all that, two (2) YouTube videos containing a discussion about this marvelous “Guerrero+” composition are linked to.

Before Covid-19 hit, our choir was learning this Magnificat. Here’s a recording made during one of our rehearsals:

Disclaimer: The microphones cannot capture the true beauty of choral singing, just as a Postcard cannot capture the true beauty of a sunset.

In the section by Father Cristóbal de Morales, we find parallel fourths. (The same exact thing happens in measures 29-30.) See for yourself:

But are parallel fourths allowed in Renaissance polyphony?

The student of Father Morales was Father Guerrero (who turned out to be an even greater composer than his teacher). In Missa Beata Mater, Father Guerrero uses parallel fourths:

Please let me know your thoughts about parallel fourths in the Facebook combox. Thanks!

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

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Filed Under: Articles Tagged With: Catholic Composer Cristobal de Morales, Francisco Guerrero Composer, Giovanni Pierluigi da Palestrina Last Updated: August 6, 2020

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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

    “Music List” • 22nd in Ordinary Time (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 31 August 2025, which is the 22nd 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 alongside the official texts in Latin.
    —Jeff Ostrowski
    “The Worm That Dieth Not”
    My pastor asked me to write a column for our parish bulletin with reflections on the sacred liturgy and church music. In my most recent article, I discuss “The Worm That Dieth Not.” At this website, you can access it conveniently; simply scroll down to the one dated 31 August 2025.
    —Jeff Ostrowski
    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

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

“Edwin Fischer was, on the concert platform, a short, leonine, resilient figure, whose every fibre seemed to vibrate with elemental musical power.”

— Daniel Barenboim (1960)

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