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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 · May 7, 2023

Symposium Booklet (330 Pages)

As of 6 May 2023, anyone who wishes to may download the COMPLETED BOOKLET (330 pages) which was created for participants of Sacred Music Symposium 2023. Those who were accepted to participate in this year’s conference will be presented with their own (hard-copy) printed version of this breathtaking booklet. The faculty this year includes Professor […]

Jeff Ostrowski · May 6, 2023

6 May 2023 • FEEDBACK

Examples of comments we recently received, from all over the globe:   (1) “The Byrd composition your student sung was certainly beautiful. I cannot say how thankful I am for all that CCWATERSHED does in the world of sacred music. The videos, and recorded audios and newsletters are wonderful and beautiful. When you said that […]

Jeff Ostrowski · May 6, 2023

PDF Download • “Brief Choral Alleluia” (Suitable for the Ordinary and Extraordinary Form)

Too many priests are ignorant of the glories of authentic sacred music.

Jeff Ostrowski · May 5, 2023

PDF Download • “Vespers Accompaniment Booklet” (Fifth Sunday after Easter) — 20 pages

To recruit, teach, inspire, and retain volunteer choir members is no easy task!

Jeff Ostrowski · May 4, 2023

Six (6) Pernicious Hymn Pairings

The current situation is heartbreaking.

Jeff Ostrowski · May 2, 2023

Should Chant Be Accompanied On The Organ?

As late as 1924, Dom Mocquereau mentioned Dom Desrocquettes “whose beautiful and discreet accompaniments I hear every day at Solesmes.”

Follow the Discussion on Facebook

Jeff Ostrowski · April 30, 2023

My Student Singing Byrd Will Make You Weep!

Today we release polyphony by two composers: William Byrd and William Fritz.

Jeff Ostrowski · April 29, 2023

Photograph • Pope Saint Paul VI Distributes Holy Communion (Kneeling, On The Tongue)

How dare we—who are so sinful—how dare we receive our Lord?

Jeff Ostrowski · April 29, 2023

Introit • “Jubiláte Déo” (3rd Sunday after Easter)

Sung according to the official rhythm of the Catholic Church.

Jeff Ostrowski · April 27, 2023

PDF Download • “English Hymns for Three Voices” (SSA), edited by Dr. Theodore Marier—182 pages

My choir will definitely be using these settings. They’re something many have begged for!

Jeff Ostrowski · April 27, 2023

FEEDBACK • 26 April 2023

A reader wrote to us about the MELCOMBE HYMN ARTICLE (whose official title was: 1950s Catholicism: Do We Want It Back?) with these kind words: “I so wish there was a CD of your choir. The Introit the other day stays with me all day!”

Jeff Ostrowski · April 26, 2023

“1950s Catholicism” • Do We Want It Back?

“I have found, to my astonishment, that Catholics…in their principal churches, do not to this day possess even one Mass setting even tolerably good, or which is not actually distasteful and operatic.” —Felix Mendelssohn (1835)

Jeff Ostrowski · April 24, 2023

It’s Coming!

The draft booklet (320 pages) which will—in a gorgeous hard-copy—be given to participants at the Sacred Music Symposium has been released. If you see any typos, please let me know ASAP. Thank you!

Jeff Ostrowski · April 22, 2023

PDF Download • Draft Copy — “2023 Symposium Booklet” (320 Pages)

I will never forget standing in that green room, waiting to go on stage.

Jeff Ostrowski · April 22, 2023

FEEDBACK • “Soul Was Craving”

I got this (personal) message from a choir member. I know we usually avoid sharing personal items, but hopefully this exception is warranted: “Dear Mr. Ostrowski, I read your recent article, “I Came From Somewhere.” I really enjoyed reading it. Thank you for all that you do. I appreciate your sentiments and your work to […]

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Corpus Christi Watershed

President’s Corner

    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
    PDF • Our Lady of Guadalupe (12 Dec.)
    The Responsorial Psalm may be downloaded as a PDF file (organist & vocalist) for 12 December, which is the Feast of Our Lady of Guadalupe. When it comes to the formulary for this Mass, it’s astounding how infrequently it’s included in official books. Prior to Vatican II, one had to search through “supplemental material” printed in the back of hand-missals and graduals. But since 1970, the feast is virtually nonexistent. According to the UNIVERSAL KALENDAR, 12 December is the “Feast of Saint Jane Frances De Chantal, Religious” (Die 12 decembris: S. Ioannæ Franciscæ de Chantal, religiosæ). Why should that feast overpower Our Lady of Guadalupe? In the United States, OLG is celebrated—and I’d assume in Mexico, Central America, South America, and Canada—but, as I said, the Propria Missae are virtually impossible to locate. I possess only three books which mention this feast.
    —Jeff Ostrowski

Quick Thoughts

    What does this mean? “Pre-Urbanite”
    One of the things informed critics have frequently praised vis-à-vis the Saint Jean de Brébeuf Hymnal has to do with 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
    Pope Leo XIV on Sacred Music
    On 5 December 2025, Pope Leo XIV made this declaration with regard to liturgical music.
    —Corpus Christi Watershed

Random Quote

I want to say one thing to you strongly, especially today: virginity for the Kingdom of God is not a “no,” it is a “yes!”

— Pope Francis (10/4/2013)

Recent Posts

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  • PDF • “Music List” (Xmas Midnight Mass)
  • What does this mean? “Pre-Urbanite”
  • “He never had a single day of conflict with anyone.”
  • PDF • “Standard Gregorian Chants for Schools, Churches, Seminaries, & Convents” (1946) —123 pages

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