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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 • “Creator Alme Siderum” with Organ Accompaniment

Jeff Ostrowski · December 23, 2020

S MOST OF OUR READERS KNOW, I have made an extensive study of the ancient Roman Catholic hymns which refer to “Christ as Creator.” A prominent example of this would be CONDITOR ALME SIDERUM, which was called “Creator Alme Siderum” after 1631AD. Why was the name changed? Well, it’s a long and fascinating story—involving Pope Urban VIII and the Jesuits—and I would encourage you to pick up a copy of the Brébeuf hymnal, currently being sold exclusively by Sophia Institute Press. Inside that book, the complete history of the “Urbanite Revision” is provided, along with beautiful full-color images.

Writing a review for the “Antiphon” liturgical journal, Dr. Aaron James had effusive praise for the way in which the editors of the Brébeuf Hymnal treated the Urbanite hymn reform. (That’s why I encourage you to obtain a copy.) But since Advent is almost over, I wanted to post a few score of CREATOR ALME SIDERUM you might want to download for next year:

*  PDF Download • ORGAN ACCOMPANIMENT
—2015 Organ accompaniment by Jeff Ostrowski.

*  PDF Download • (1st Singer Score)
—This version has an English translation by Father Edward Caswall (d. 1878).

*  PDF Download • (2nd Singer Score)
—This version has an English translation by Father Adrian Fortescue (d. 1923).

A lady named Eleanor Parker runs quite a fantastic blog called “A Clerk of Oxford.” Similar to the Brébeuf hymnal, she has provided color images of ancient (Roman Catholic) vernacular translations for CREATOR ALME SIDERUM—except that the Brébeuf translations are in English, whereas Eleanor’s translations are in Anglo-Saxon:

*  Eleanor Parker’s Blog • “Creator Alme Siderum”

The images she provides are truly spectacular:

Covid-19 has created insane difficulties, and our current choir situation is exasperating due to all the restrictions. We have small groups of singers, mainly people from the same family because the government counts people in the same family as “one unit.” I used an iPhone to record one of the groups singing CREATOR ALME SIDERUM, but the iPhone corrupted the choral sound resulting in a recording that doesn’t do justice to how beautiful they sounded in real life. In any event, we have several groups that sing at several Masses, and I often use higher or lower tessitura depending upon the voices. The Organ Accompaniment for the Edmund Campion Missal has come in quite handy:

*  Accompaniment • Kyriale in Three Keys (388 pages)
—Ordinary of the Mass: High Key, Middle Key, and Lower Key.

“Volume 1” is what you want. The accompaniments are by Achille P. Bragers (LOW KEY), Father Carlo Rossini (MIDDLE KEY), and the Nova Organi Harmonia (HIGH KEY).

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

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Filed Under: Articles Tagged With: Dr Aaron James Last Updated: December 23, 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

    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). 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 available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —Jeff Ostrowski
    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski
    “Sanctus VIII” • Organ Accompaniment
    A few days ago, I composed this organ harmonization for SANCTUS VIII. This Mass is traditionally called Missa de ángelis or “Mass of the angels.” In French, it is Messe de Anges. You can evaluate my attempt to simultaneously accompany myself on the pipe organ (click here) while singing the melody. My parish is currently singing this setting.
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (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
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“I have, on the other hand, retained several more or less traditional tunes, absolutely valueless and without merit from a musical point of view, but which seem to have become a necessity if a book is to appeal—as I hope this one will—to the varied needs of various churches.”

— A. Edmonds Tozer (1905)

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