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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

Archives for June 2025

Jeff Ostrowski · June 30, 2025

(Rehearsal Clips) • Sacred Music Symposium 2025

Even if I live a hundred years, I’ll never forget last week’s conference!

Keven Smith · June 25, 2025

Hidden Gem: Ascendit Deus (Dalitz)

Save this delightful Ascension motet for next spring. It’s well within reach for even beginning choirs.

Jeff Ostrowski · June 22, 2025

PDF Download • Soprano Descant — “Hail, Holy Queen Enthroned Above”

There’s something thrilling about soprano descants!

Jeff Ostrowski · June 19, 2025

“Dom Jausions had a skilled hand. His transcriptions are masterpieces of neatness & precision.”

A few days ago, Dominique Gatté released something quite extraordinary.

Corpus Christi Watershed · June 18, 2025

Pope Leo XIV pays tribute to Palestrina

“Palestrina500” at the Vatican, with Pope Leo XIV.

Jeff Ostrowski · June 18, 2025

PDF Download • Palestrina’s “Ave Maria”

Including rehearsal videos.

Jeff Ostrowski · June 17, 2025

PDF Download • “2025 Booklet for Participants for the Sacred Music Symposium” — (155 pages)

We feel this conference will be one for the history books!

Jeff Ostrowski · June 13, 2025

Luis Martínez Must Go!

This notice shows that in Seville, as elsewhere, polyphonic singers clustered around a large open choirbook set on a stand in the middle of the grilled choir-enclosure.

Corpus Christi Watershed · June 13, 2025

Pope Pius XII Hymnal?

This extremely rare hymnal was published in 1959.

Jeff Ostrowski · June 12, 2025

PDF Download • “Gospel Acclamation” for 29 June (Solemnity of Saints Peter and Paul, Apostles)

Jeff Ostrowski’s attempt to harmonize the most well-known of all Gregorian chants.

Corpus Christi Watershed · June 11, 2025

“Hybrid” Chant Notation?

See whether you agree that Father Weinmann made matters worse.

Cynthia Ostrowski · June 11, 2025

Available! • Free Rehearsal Videos for Agnus Dei “Mille Regretz” after Gombert (d. 1560)

Artificial intelligence will never replace authentic polyphony.

Jeff Ostrowski · June 10, 2025

Urgent! • We Desperately Need Funds!

We feel it’s crucial that 100% of our content remains free to everyone.

Corrinne May · June 9, 2025

PDF Download • “Polyphonic Extension” (Kevin Allen) for Gloria III

I will be conducting Palestrina’s ‘Ave Maria’ as well as teaching plainsong.

Jeff Ostrowski · June 9, 2025

“Booklet of Eucharistic Hymns” (16 pages)

This will be used while our congregation processes around the city to various churches.

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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

“The sacrificial death of Jesus Christ the High Priest on Calvary is and will remain the basis for the active participation of the faithful in the liturgy. Membership in the Church, which is brought about by valid baptism, makes one a part of the Mystical Body of Christ, THE PRIEST, to whose priesthood one is interiorly conformed through the baptismal character.”

— “Divini Cultus Studium” (Dr. Robert A. Skeris, 1990)

Recent Posts

  • Should Catholics Sing Protestant Christmas Carols?
  • 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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