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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 · December 1, 2015

The Most Important Thing A Choirmaster Can Do

Sometimes it takes decades to appreciate the genius of this or that Gregorian chant.

Jeff Ostrowski · November 30, 2015

Changing The Good Friday Prayer For The Jews

“Christianity is the perfect development of the Jewish religion…” —Fr. Leslie Rumble

Jeff Ostrowski · November 29, 2015

Musical Resources • First Sunday of Advent (Extraordinary Form)

“Arise in thy strength, we beseech thee, O Lord, and come…”

Jeff Ostrowski · November 27, 2015

Clarity Regarding The Pius XII “Turkey” Indult

Whether this rumor is accurate makes no difference, because the rules for Friday abstinence were changed in the 1960s.

Jeff Ostrowski · November 24, 2015

Our Church Music Movement: How Are We Doing?

I never dreamed that so many people love this stuff…and are willing to fight for it!

Jeff Ostrowski · November 19, 2015

PDF Download • Hymnal by Fr. John Selner (1954)

Some of the old Catholic hymnals were dreadful, but this one is splendid.

Jeff Ostrowski · November 18, 2015

PDF Download • “Liber Brevior” (1954)

This special Solesmes book contains another version of the “Chants Abrégés.”

Jeff Ostrowski · November 17, 2015

Sacred Music & Babies

What’s our end game?

Jeff Ostrowski · November 16, 2015

Solesmes is not infallible…

The accent on “adjúva” should be “ádjuva”

Jeff Ostrowski · November 11, 2015

Stunning New Collection Of English Propers

This book of organ accompaniments by John Ainslie covers every season, including ordinary time.

Jeff Ostrowski · November 9, 2015

The Only “Credential” That Matters

“They should have been more offended by the Romanian doctor…” —Fr. George Rutler

Jeff Ostrowski · November 7, 2015

Simple 2-Part Canon For Men & Women

You will love what Henri Durieux has done with this hymn melody.

Jeff Ostrowski · November 7, 2015

Musical Resources • 23rd Sunday after Pentecost (Extraordinary Form)

“Remit, we beseech Thee, O Lord, the sins of Thy people…”

Jeff Ostrowski · November 5, 2015

Liturgical Press Has An “Oops” Moment

“If we had known what the prayers really said, we would not have wanted to pray them any longer.” —Paul Inwood

Jeff Ostrowski · November 1, 2015

Musical Resources • Feast of All Saints (November 1st)

“…most humbly we pray that—since so great is the number of thine elect pleading in our behalf—we may partake, in all their fulness, of thine abounding mercies…”

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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

    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

“…it would be a very praiseworthy thing and the correction would be so easy to make that one could accommodate the chant by gradual changes; and through this it would not lose its original form, since it is only through the binding together of many notes put under short syllables that they become long without any good purpose when it would be sufficient to give one note only.”

— Zarlino (1558) anticipating the Medicæa

Recent Posts

  • “O Antiphons” Elevated?
  • PDF • “Music List” (Sunday, 28 December)
  • Should Catholics Sing Protestant Christmas Carols?
  • PDF • “Music List” (Xmas Midnight Mass)
  • What does this mean? “Pre-Urbanite”

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