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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

Vespers Organist Scores

Jeff Ostrowski · May 13, 2024

Organ Accomp. • “Ascension Hymn at Vespers”

The soul-stirring hymn used on ASCENSION THURSDAY at Vespers—and also used on the Sunday which follows the Ascension—was called in the 7th century: “Jesu Nostra Redemptio.” After 1631AD, the title of that hymn was changed to “Salutis Humanae Sator.” The melody assigned by the Vatican Commission on Gregorian Chant is rather mournful (and very difficult […]

Jeff Ostrowski · March 27, 2023

PDF Download • “Organ Accompaniment Booklet” (Passion Sunday Vespers) — 24 pages

Fulton J. Sheen considered Monsignor Knox’s English translation of the Bible to be the greatest ever created.

Jeff Ostrowski · March 19, 2023

PDF Download • Vespers Organ Accomp. Booklet (4th Sunday of Lent) — 24 pages

This is probably too late … but there’s always next year!

Jeff Ostrowski · February 20, 2023

PDF Download • “Quinquagesima Sunday” Organ Accompaniment Booklet (25 pages)

The word “Alleluia” changes to: “Praise be to Thee, O Lord, King of eternal glory.”

Jeff Ostrowski · January 15, 2023

PDF Download • “Organ Accompaniment Booklet” (25 pages) — Vespers, 2nd Sunday after Epiphany

The internet is putting good people in touch with one another.

Jeff Ostrowski · December 17, 2022

Available Now! • 4th Sunday of Advent

Those who so desire may now download this organ accompaniment booklet (25 pages) for the 4th Sunday of Advent, including the “O ANTIPHON” for 18 December 2022.

Jeff Ostrowski · December 7, 2022

PDF Download • “Organ Accompaniment Booklet” • Vespers (3rd Sunday of Advent) — 23 pages

Were Pothier and Mocquereau homeless? The answer might surprise you.

Jeff Ostrowski · December 3, 2022

PDF Download • Organ Accompaniment Booklet: Vespers (2nd Sunday of Advent) — 27 pages

Dom Gajard said to Jean Langlais: “Hear the blackbird! It doesn’t know what an ‘ictus’ is, yet it sings better than we.”

Jeff Ostrowski · July 12, 2022

PDF Download • “Sunday Vespers” (22 pages)

In spite of its imperfections, creating this (draft) booklet required much more effort than I had anticipated.

Jeff Ostrowski · March 13, 2022

PDF Download • “Audi Benigne Conditor” (Organ Accompaniment)

Finding the “perfect” accompaniment for hymns can be challenging. Here’s my attempt.

Jeff Ostrowski · January 19, 2022

100% Scrolling Score • “What Exactly Is Vespers?”

For those who have never experienced Vespers, an answer like that comes across as “gobbledygook.”

Jeff Ostrowski · January 6, 2022

PDF Download • “Feast of the Holy Name” (Vespers Organ Accompaniment)

Only fellow choirmasters know how much work choirmasters do “behind the scenes.”

Jeff Ostrowski · December 12, 2021

PDF Download • Vespers Organ Accompaniment — “Our Lady of Guadalupe” (12 December)

Vatican II said: “Pastors must see to it that Vespers is celebrated in parishes on Sundays and the more solemn feasts” (SC §100).

Jeff Ostrowski · November 29, 2021

PDF Booklet • First Sunday of Advent Vespers (Organ Accompaniment) — Draft Copy

It may be an ugly booklet, but it got the job done yesterday.

Jeff Ostrowski · August 14, 2021

PDF Download • “Vespers Booklet” (15 August, Assumption) — 20 pages

Also included, an organ accompaniment (23 pages) for this booklet.

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Corpus Christi Watershed

President’s Corner

    “Music List” • 17th in Ordinary Time (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 17th Sunday in Ordinary Time (27 July 2025). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are conveniently stored at the the feasts website.
    —Jeff Ostrowski
    Communion • “Ask & You Shall Receive”
    All of the chants for 27 July 2025 have been added to the feasts website, as usual under a convenient “drop down” menu. The COMMUNION ANTIPHON (both text and melody) are exceedingly beautiful and ancient.
    —Jeff Ostrowski
    Jeff’s Mother Joins Our Fundraiser
    To assist our fundraiser, Mrs. Kathleen Ostrowski has drawn several beautiful sketches which she offers to all our readers free of charge. If you have a moment, I invite you download them at this link.
    —Jeff Ostrowski

Quick Thoughts

    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “Hybrid” Chant Notation?
    Over the years, many have tried to ‘simplify’ plainsong notation. The O’Fallon Propers attempted to simplify the notation—but ended up making matters worse. Dr. Karl Weinmann tried to do the same in the time of Pope Saint Pius X by replacing each porrectus. You can examine a specimen from his edition and see whether you agree he complicated matters. In particular, look at what he did with éxsules fílii Hévae.
    —Corpus Christi Watershed
    Antiphons Don’t Match?
    A reader wants to know why the Entrance and Communion antiphons in certain publications deviate from what’s prescribed by the GRADUALE ROMANUM published after Vatican II. Click here to read our answer. The short answer is: the Adalbert Propers were never intended to be sung. They were intended for private Masses only (or Masses without music). The “Graduale Parvum,” published by the John Henry Newman Institute of Liturgical Music in 2023, mostly uses the Adalbert Propers—but sometimes uses the GRADUALE text: e.g. Solemnity of Saints Peter and Paul (29 June).
    —Corpus Christi Watershed

Random Quote

“To suggest, even loosely, that Catholics walk a more or less similar path to God as other religions drains martyrdom of its meaning. Why give up your life for Christ when other paths may get us to the same God? Such a sacrifice would be senseless.”

— Archbishop Charles J. Chaput

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