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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

PDF Download • “Magnificat” + Rehearsal Videos!

Jeff Ostrowski · June 4, 2019

ORE THAN ONE THING can be true at the same time. Certainly I have advocated very simple music for church; and the Brébeuf Hymnal is full of beautiful melodies that fit the bill. I have emphasized that Brébeuf makes it possible for a congregation to get through the entire liturgical year, even if they only know one solid tune. That’s because it provides a solution where common melodies can be shared with different texts. Just last Sunday I was using it with my choirs, and it literally saved my life. (I would stand on my head to make this point!)

At the same time—in conjunction with these simple hymns—I fully endorse “complicated” polyphony. At present, I direct more than fifty singers in two different choirs, and every singer learns polyphony. I, therefore, “put my money where my mouth is” in terms of complex polyphony. (We don’t sing it unless we’re prepared.)

I don’t know a greater piece of polyphony than this Magnificat by Guerrero, which will be sung at this year’s Sacred Music Symposium:

EQUAL VOICES : YouTube   •   Mp3 Labeled

SOPRANO : YouTube   •   Mp3 Labeled

1st ALTO : YouTube   •   Mp3 Labeled

2nd ALTO : YouTube   •   Mp3 Labeled

TENOR : YouTube   •   Mp3 Labeled

BASS : YouTube   •   Mp3 Labeled


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HOSE WHO READ this blog already know how difficult the life of a choirmaster is; I don’t need to repeat that. We have challenges that often seem insurmountable: physical challenges, musical challenges, psychological challenges, and so on. On a personal level, I struggle to communicate (what I consider to be) basic concepts to our readers. I talk so much about common melodies and how important they are for a Catholic choir—yet, I don’t think I’m articulating this concept well. I believe there is so much that could be accomplished, if we can all stick together; and part of sticking together is communication. A few days ago, I was thinking about how difficult it must have been to implement the document of Pope Pius X. After all, this was long before the invention of television, internet, xerox copy machines, and so forth. The airplane had just been invented; and it really was such a different time. Archduke Ferdinand of Austria was assassinated by mistake. (The initial attempt failed, hitting people behind him; but when he went to the hospital to see how they were doing, he accidentally ran into the same assassin while sitting in traffic; and that’s how he was assassinated, which began the Great War.) The Great War ended up causing the Second Sino-Japanese War and also World War II—and 150 million people died as a result. Read about what it was like to fight in the trenches: bizarre and horrible! In those days, they wouldn’t give the wounded first aid. Instead, they would place wounded men on a train and transport them to a city which had a hospital, even if that city were far away. During the Great War they began to realize this was insane; so they started to have better medical stations on the actual battlefields. The United States ended up entering the Great War, but can you imagine? Can you imagine loading thousands of USA soldiers on a boat to take them to Europe so they could fight for countries they’d never visited? Again, this was all going on around the time of the Motu Proprio of Pius X. Yet, they had choirs back then, in spite of having virtually no technology at all. I guess if they could do it, we should “soldier on” as well…pardon the pun.

Finally: Why do I love Guerrero’s setting so much? It has to do with the fact that my parish sings Solemn Vespers every Sunday. I’ve fallen in love with Vespers, and this Mode 1 psalm tone is frequently used. What Guerrero does with it—in spite of all the other settings by other composers, such as Lassus (who wrote something like 200 Magnificat settings)—is truly remarkable. The entrance of the Alto at the beginning: Powerful. The way he uses contrasting themes—some ascending, some descending: brilliant! The way he will often have one voice just repeat the same notes while the others are going nuts: clever! The Alto canon at the end: not to be missed! In particular, what Guerrero does with this melody is beyond anything I could imagine; after all, it’s just a psalm tone, right? But it went into Guerrero’s brain and look what comes out! Truly marvelous. We will discuss all these things at Sacred Music Symposium 2019.

My friend Nancho sent me the original part books for this piece. Here’s how it looked in the 16th century (Verse 6, Fecit potentiam in brachio suo):

84328 Guerrero MSS


Do you see how Nancho (wisely) preserves the ligatures in his editions? Look at the section in yellow. That’s a ligature. By this time, it was done mainly through tradition—because different ways to form those notes were also available in the time of Guerrero. Still, it’s a nice reminder not to disaggregate that syllable! And it reminds us this comes directly from a psalm tone.

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

Filed Under: Articles, PDF Download Last Updated: January 1, 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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President’s Corner

    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski
    “Rare Photographs” • Hannibal Bugnini
    On 2 September 2025, we included in this article extremely rare photographs of Archbishop Hannibal Bugnini taken in Iran circa 1979. Bugnini had initially been banished by the pope to Uruguay, but he refused to obey. [This is interesting, since Bugnini relied upon ‘blind obedience’ when it came to modifications of the ancient liturgy.] After he refused to obey the order from the pope, Hannibal Bugnini was banished to Iran. You can also watch a short video of Hannibal Bugnini in Iran, dated 10 November 1979. That’s about a week after the USA embassy hostage crisis began in Tehran, and Pope Saint John Paul II had sent the leader of the Iranian Revolution a special letter.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of May (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski
    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski

Random Quote

“I have a great quarrel on with Dom Mocquereau over a very stiff book of his which we have translated & which a stupid American woman wants to be adapted to her understanding & terminology. It will be a little difficult to persuade the dear old man, for the lady is going to pay the piper. Truly money is at the root of all evils!”

— Dame Laurentia (talking about Justine Ward)

Recent Posts

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  • Simplified Version • “Canon in D” (Pachelbel)
  • PDF Download • “Organ Accompaniment”
  • “Gregorian Chant Quiz” • 4 May 2026

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