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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

Palestrina “O Crux Ave” • Practice Videos

Jeff Ostrowski · February 3, 2015

371 Manuscript Vexilla ICHARD NIXON was not the only president of the United States. Reagan, Lincoln, Kennedy, and many others cannot be forgotten. Nixon was but a small part of the presidential legacy. Similarly, many choirs wrongly treat Palestrina’s “O Crux Ave” as if it were its own entity. In fact, it’s only one section of Palestrina’s setting of the Vexilla Regis hymn. Failure to grasp this is a grave error.

It is not possible to appreciate Palestrina’s setting without being familiar with the Gregorian version. Please take a minute to become familiar with the melody, by means of this video, this Mp3, or even this organ piece which uses themes from Vexilla. Once you’ve done that, you’re ready to listen to what Palestrina did with the sixth verse (placing the Vexilla melody in the Soprano):

      * *  PDF Download • O Crux Ave (Palestrina)

      * *  Mp3 Recording • O Crux Ave (Palestrina)


Here are some practice recordings to help your choir learn:

SOPRANO VIDEO   •   Mp3

ALTO VIDEO   •   Mp3

TENOR VIDEO   •   Mp3

BASS VIDEO   •   Mp3

WE WILL SOON POST more sections from this hymn as set by Palestrina. Some of you know I transcribed all four volumes of Carl Proske’s “Musica Divina” collection in 2002. When I discovered this beautiful setting by Palestrina—all the parts, not just the O CRUX AVE—I was so impressed. I never had a chance to teach this piece to a choir until this year! If you view the original version as found in Proske, you will see why I felt the need to transcribe it!

Fun Fact :

If you look carefully at the version in the Liber Usualis, you’ll see that they broke a neume. I’ve only ever seen one other instance where a neume is broken. Normally, hypermetric syllables are elided (although some choirs will add a note). This is not a “Solesmes thing” because the 1953 Schwann version does same thing. The 1940s NOH seems unaware of this. I cannot really tell what the 1892 Pustet version does. The 1891 Antiphonale by Pothier does not appear to indicate that the neume should be broken. The 14th-century German manuscript in the upper right indicates that their singers had difficulties here, so somebody “wrote out” the notes in the margin—truly fascinating!

370 Vexilla


Notice the 1896 Graduel romain à l’usage de la province écclésiastique de Québec does the same thing:

89373 vexilla arbor decora 1896 Graduel romain


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

Filed Under: Articles Tagged With: Giovanni Pierluigi da Palestrina, Vexilla Regis Prodeunt 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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Corpus Christi Watershed

President’s Corner

    PDF Download • “For Pentecost Sunday”
    Yesterday morning, I recorded myself singing the ENTRANCE CHANT for Pentecost Sunday while simultaneously accompanying myself on the pipe organ. Click here to see how that came out. At the end of the antiphon, there’s a triple Allelúja and I just love the chord at the end of the 2nd iteration. The organ accompaniment—along with the musical score for singers—can be downloaded free of charge at the flourishing feasts website. For the record, the antiphon on Pentecost Sunday doesn’t come from a psalm; it comes from the book of Wisdom.
    —Jeff Ostrowski
    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

Quick Thoughts

    “Thee” + “Thou” + “Thine”
    Few musicians realize that various English translations of Sacred Scripture were granted formal approval by the USCCB and the Vatican for liturgical use in the United States of America. But don’t take my word for it! Here are four documents proving this, which you can examine with your own eyes. Some believe the words “Thine” and “Thou” and “Thee” were forbidden after Vatican II—but that’s incorrect. For example, they’re found in the English translation of the ‘Our Father’ at Mass. Moreover, the Revised Standard Version (Catholic Edition) mentioned in those four documents employs “Thine” and “Thou” and “Thee.” It was published with a FOREWORD by Westminster’s Roman Catholic Archbishop (John Cardinal Heenan).
    —Jeff Ostrowski
    “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

Random Quote

“One of his most cherished wishes was to promote congregational singing wherever possible, for he held it to be most instructive for people of all classes and a powerful means of arousing an intelligent interest in the beauties of our sacred liturgy, especially in regard to the holy Sacrifice of the Mass. He loved to dwell in this respect upon the remarkable results achieved in parishes where the congregation had been taught to sing correctly the different portions of the Mass in plain chant.”

— Cardinal Merry del Val, speaking of Cardinal Sarto

Recent Posts

  • “Unfair Characterization” • (But Good Question)
  • “Thee” + “Thou” + “Thine”
  • PDF Download • “For Pentecost Sunday”
  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations

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