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Corpus Christi Watershed

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

Three (3) Cheerful Items • “Sacred Music Revolution”

Jeff Ostrowski · April 1, 2023

HE WONDERFUL spiritual classic, The Imitation of Christ, says (bk.1, ch.9): “It is a very great thing to be under obedience, to live under a superior and not to be at our own disposal; for it is much safer to be subject than it is to command. […] Trust not too much to thine own thoughts: but be willing also to hear the sentiments of others. Although thine opinion be good, yet if for God’s sake thou leavest it—to follow that of another—it will be more profitable to thee.” Wise words, to be sure! At the same time, we remember that OUR BLESSED SAVIOR HIMSELF was condemned by Annas and Caiaphas, who were (basically) the highest church leaders at that time.

Focus on the Good • Here at Corpus Christi Watershed, we don’t subscribe to Pollyannaism. With sadness, we see high-ranking clerics who allow (or even embrace) scandalous behavior, give evil commands, and even publicly blaspheme. And yet we believe it’s better to emphasize the positive. And there is so much good in the world! A few days ago, I watched a video showing policemen rushing into an elementary school to save innocent children (just 9 years old) being slaughtered by an active shooter. These men were brave and unselfish. There is good in the world.

Three Examples:

Each day, I speak to musicians and priests all over the world. Believe it or not, tons of “pockets” do exist out there, in which faithful Catholics are promoting authentic sacred music. Today, I would like to share three cheerful examples.

Dr. Calabrese • I was sent an iPhone clip of Dr. Alfred Calabrese conducting a choral piece by composer Daniel Knaggs. I know something about how difficult it is for a microphone to accurately reproduce the rich sound of a choir. It’s almost impossible, because sound waves produced by an ensemble of voices is something physical, and it’s extremely complex. Robert Shaw was correct to call Dr. Calabrese “one of the most talented conductors.” The sound he gets from his singers is amazing. We are so blessed that Dr. Calabrese will be coming to Los Angeles this summer to conduct the sublime Salve Regina by Luca Marenzio at Sacred Music Symposium 2023.

Below is a small excerpt. I don’t know whether the full concert will be released online:

Corrinne May • Not long ago, Corrinne May was featured in Harper’s Bazaar, a famous American magazine. She was described by the magazine as “one of Singapore’s multi-platinum singer-songwriters.” Recently, Corrinne has been doing excellent work with choirs in Singapore. Her most recent project is adapting CANTUS GREGORIANUS from Latin into English. Here is a clip of her conducting an “Agnus Dei” adaptation I did based on the Miserére of Father Gregorio Allegri (d. 1652).

This clip was filmed recently in Singapore:

M To download the PDF score free of charge, go to #7554.

Volunteer Singers in Los Angeles • Working with the volunteer singers at my church is such a bright spot in my life. These are not professional musicians; they all come from the parish. Seeing these Catholics so dedicated to sacred music is truly inspirational. They make huge sacrifices to learn this music. Here’s a recording, taken from our rehearsal last night.

M To access this hymn’s media in the Brébeuf Portal, click here.

Strange But True • That hymn—which is very famous—was actually written by a Protestant named Charles Wesley. His poetry was praised by Father Leslie Rumble, of RADIO REPLIES. For years, I have been saying that if you look hard enough through the Brébeuf Hymnal, you’ll find a few hymns that are not Catholic. Another example would be “Hark! The Herald Angels Sing,” which was included by the Brébeuf editorial team even though it was written by a Protestant.

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

Filed Under: Articles Tagged With: MISERERE Gregorio Allegri, Robert Shaw Choral Conductor Last Updated: April 1, 2023

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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

    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —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

“Gregorian chant is the sacred chant, proper and principal of the Roman Church. Therefore, not only can it be used in all liturgical actions, but unless there are mitigating circumstances, it is preferable to use it instead of other kinds of sacred music.”

— §16, De Musica Sacra (1958)

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