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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

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

Jeff Ostrowski · July 23, 2023

What Charles Weaver Did (!)

Dr. Weaver kindly made me aware of something stupendous. Created by Abbat Pothier’s assistant and approved by his successor (about ten years after his death), it’s a KYRIALE, GRADUALE, and VESPERALE: 2,000 pages long! It’s in Gregorian notation on five staves and marks each mora vocis. Here’s a photograph of the “Puer Natus” INTROIT taken with my […]

Jeff Ostrowski · July 21, 2023

Why Is Catholic Music So Embarrassing? • Four “Levels” To Fix The Problem!

In 1994, the most powerful mainstream Catholic music organization published a song about the “enlightenment of Buddha.”

Jeff Ostrowski · July 20, 2023

More Than A Chart!

I’ve received many compliments about a comparison chart which was part of a recent article I posted. I feel flattered by these kind words, but I would like to point out that my chart doesn’t make much sense unless one reads the entire article.

Jeff Ostrowski · July 19, 2023

Fancy, no?

We have updated our donate by check window. Pretty fancy, no? When possible, we try to do things in an “artistic” way.

Jeff Ostrowski · July 19, 2023

Gregorian Rhythm Wars • “Jeff’s Fourth Response to Patrick” (19 July 2023)

Twenty years ago, I had the opportunity to conduct a week-long interview with Dom Cardine’s former boss.

Jeff Ostrowski · July 18, 2023

Rude Priests, Rude Deacons, Rude Ushers, Rude Parishioners, Rude Choristers, Etc.

Unless I’m mistaken, this charming piece can be played on organ manuals alone.

Jeff Ostrowski · July 13, 2023

PDF Download • 3-Voice “Agnus Dei” + Suggestions to Improve Music at Ordinary Form Masses

Should music at the Ordinary Form be identical to music at the Extraordinary Form?

Jeff Ostrowski · July 11, 2023

Desperate Plea from Jeff Ostrowski

The president of Corpus Christi Watershed has made another urgent appeal. It was released on TUESDAY, 11 July 2023. Thank you for your consideration, your generosity, and your love!

Jeff Ostrowski · July 5, 2023

“A Patriotic Hymnal” • (Not Kidding!)

“Hymns for the Use of the Catholic Church in America” was published in Baltimore more than 200 years ago.

Jeff Ostrowski · June 30, 2023

“Six Suggestions” • Working with Volunteer Choirs

One priest on this committee said something I’ll never forget…

Jeff Ostrowski · June 30, 2023

“Counter-Melody” for a Hymn Tune…

Jeff Ostrowski has added a “counter-melody” to CUPERTINO, a hymn tune composed by Kevin Allen. You can download the Organist Score (PDF), which doubles as the vocalist score. You can also hear Jeff’s volunteer choir sing that “counter-melody” version in real life by clicking here.

Jeff Ostrowski · June 29, 2023

“The Use of Plainsong in Heretical Worship” • (Letter by Dom Gregory Murray)

“Unless Catholic musicians (especially priests) are careful, they may easily encourage non-Catholics in the belief that the differences between Catholics and non-Catholics are of minor importance.” —Dom Murray

Jeff Ostrowski · June 27, 2023

PDF Download • Extremely Rare! • “Liber Cantus Gregoriani” (1950) — 1,864 pages!

Church musicians ought not proceed in a frenzied, panic-stricken manner.

Jeff Ostrowski · June 19, 2023

Easter Sequence • “Both English and Latin”

Earlier this afternoon, I created an organ harmonization for the EASTER SUNDAY SEQUENCE: Víctimæ Pascháli Laudes in English and Latin. The rhythm conforms to the pure (“untouched”) Vatican Edition, like what you’d find in editions by Schwann, Monsignor Nekes, Max Springer of Beuron, and Peter Wagner (Commissionis Pontificiæ Gregorianæ Membrum). The beautiful and highly accurate […]

Jeff Ostrowski · June 18, 2023

Theological…

The 330-page booklet for Sacred Music Symposium contains more than just fabulous and inspiring music. Little theological ‘tidbits’ cover its pages. For example, consider Page 265. You can download a PDF copy of the entire booklet at the Symposium website.

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Corpus Christi Watershed

President’s Corner

    PDF • “Music List” (Sunday, 28 December)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Holy Family of Jesus, Mary, & Joseph (28 Dec. 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon are particularly gorgeous. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • “Music List” (Xmas Midnight Mass)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Christmas Midnight Mass (“Ad Missam In Nocte”). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is simple, but quite beautiful. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • “Music List” (4th Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 21 December 2025, which is the 4th Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is the famous “Roráte Coeli” and the fauxbourdon setting of the COMMUNION is exquisite. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “In Paradisum” in English
    We always sing the IN PARADISUM in Latin, as printed on this PDF score. I have an appallingly bad memory (meaning I’d be a horrible witness in court). In any event, it’s been brought to my attention that 15 years ago I created this organ accompaniment for the famous and beautiful ‘IN PARADISUM’ Gregorian chant sung in English according to ‘MR3’ (Roman Missal, Third Edition). If anyone desires such a thing, feel free to download and print. Looking back, I wish I’d brought the TENOR and BASS voices into a unison (on B-Natural) for the word “welcome” on the second line.
    —Jeff Ostrowski
    What does this mean? “Pre-Urbanite”
    Something informed critics have frequently praised vis-à-vis the Saint Jean de Brébeuf Hymnal is its careful treatment of the ancient hymns vs. the “Urbanite” hymns. This topic I had believed to be fairly well understood—but I was wrong. The reason I thought people knew about it is simple; in the EDITIO VATICANA 1908 Graduale Romanum (as well as the 1913 Liber Antiphonarius) both versions are provided, right next to each other. You can see what I mean by examining this PDF file from the Roman Gradual of 1908. Most people still don’t understand that the Urbanite versions were never adopted by any priests or monks who sang the Divine Office each day. Switching would have required a massive amount of effort and money, because all the books would need to be changed.
    —Jeff Ostrowski
    PDF Download • “Santo Santo Santo”
    Those searching for a dignified, brief, simple, bright setting of SANCTUS in Spanish (“Santo Santo Santo”) are invited to download this Setting in honor of Saint John Brébeuf (organist & vocalist). I wonder if there would be any interest in me recording a rehearsal video for this piece.
    —Jeff Ostrowski

Random Quote

“No living writer possesses a greater command over the English language than Msgr. Knox, but in this instance one cannot help feeling that he has allowed his virtuosity to get the better of him, and, in his anxiety to shield the holy of holies from vulgar intrusion, produced a text that would either pass over the listener’s head as completely as the original Latin, or else leave him groping so long after the meaning that he would be quite unable to keep pace with the officiating priest.”

— Dr. Herbert Patrick Reginald Finberg (University of Leicester)

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