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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

PDF Download

Jeff Ostrowski · December 11, 2025

PDF Download • “Santo Santo Santo”

A brief, bright, stately setting.

Jeff Ostrowski · December 10, 2025

Crucial Tips • “Teaching Children How to Sing”

When it comes to the children, I help them memorize each word…

Jeff Ostrowski · December 9, 2025

PDF • Our Lady of Guadalupe (12 Dec.)

Why should that feast overpower Our Lady of Guadalupe?

Jeff Ostrowski · December 7, 2025

“Alma Redemptóris Mater” • Everything There Is To Know About This Marian Antiphon

Including a new harmonization for the pipe organ.

Jeff Ostrowski · December 6, 2025

Simplified Accompaniment (Advent Hymn)

Simplified keyboard accompaniment for “Come, Thou Long-Expected Jesus” (Advent hymn).

Corpus Christi Watershed · December 6, 2025

Pope Leo XIV on Sacred Music

On 5 December 2025, the pope said…

Jeff Ostrowski · December 4, 2025

PDF • “Music List” (Immaculate Concep.)

Readers have expressed interest in examining the music list I prepared for 8 December (“In Conceptione Immaculata Beatae Mariae Virginis”).

Mark Haas · December 3, 2025

PDF Downloads • 5 Simple Palestrina Pieces

A collection of Palestrina works that are not only stunningly beautiful but also surprisingly accessible.

Jeff Ostrowski · December 1, 2025

PDF Download • Agnus Dei Polyphonic “Choral Extension” (Simple Round by Ravenscroft)

It’s hard to banish that round once it enters your ears!

Corpus Christi Watershed · November 27, 2025

“Translations Approved for Liturgical Use”

There are three (3) translations of the Bible which can be used in the sacred liturgy.

Jeff Ostrowski · November 27, 2025

Dr. Mahrt explains the ‘Spoken’ Propers

This image is found on the first page of a 1974 Sacramentary.

Jeff Ostrowski · November 25, 2025

PDF • “Music List” (1st Sunday of Advent)

Readers have expressed interest in examining the “music list” I prepared for this coming Sunday.

Jeff Ostrowski · November 25, 2025

Kid’s Repertoire • “Jeffrey’s 3 Recommendations”

Growing up, I remember hearing this adage…

Jeff Ostrowski · November 24, 2025

PDF Download • ‘Choral Extension’ for the Sanctus (especially useful in the Ordinary Form)

It’d be easier to accept if they admitted they were explicitly contradicting Vatican II … but instead, they lied egregiously.

Mark Haas · November 20, 2025

Kid’s Repertoire • 3 Recommendations (Mark Haas)

“My children’s choir absolutely loves this piece.”

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Corpus Christi Watershed

President’s Corner

    Epiphany Hymn • “New 2-Voice Arrangement”
    The Von Trapp Family Singers loved a melody that was featured heavily (perhaps even “too heavily”) in the Brébeuf Hymnal. It goes by many names, including ALTONA, VOM HIMMEL HOCH, and ERFURT. If you only have one man and one woman singing, you will want to download this arrangement for two voices. It really is a marvelous tune—and it’s especially fitting during the season of Christmas and Epiphany.
    —Jeff Ostrowski
    Simplified Accompaniment (Epiphany Hymn)
    About a month ago, I created a simplified keyboard accompaniment for “Come, Thou Long-Expected Jesus”—the famous ADVENT hymn—using a melody called CROSS OF JESUS. It was soon downloaded more than 1,000 times. As of this morning, you can download a simplified keyboard accompaniment for the belovèd Epiphany hymn “Bethlehem! Of noblest cities” (O Sola Magnarum Urbium) by clicking on this link (PDF file). Many organists are forced to serve simultaneously as both CANTOR and ACCOMPANIST. In spite of what some claim, this can be difficult, which explains why choirmasters appreciate these simplified keyboard accompaniments.
    —Jeff Ostrowski
    Psalm Tone Challenge!
    Many readers know that Tone 1a3 is the most difficult PSALM TONE in the 1962 books (and isn’t called for very often). But what about very short verses—which is the absolute most concise you know? The shortest PSALM TONE segment I know would be the fourth verse (PDF) from Psalm 44, used during Matins at Christmas. It’s literally one word long. If you know a more minuscule one, please email me!
    —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

“Dom Pothier does not belong to the dim past, as the silence which surrounds his name would lead one to believe. Only a few years separate us from the time when—growing old and heavily burdened by trials—Dom Pothier was concentrating his ever keen attention on the study of manuscripts in the Belgian place of retreat where his community had found refuge. For he was the abbot; and there can be no doubt that the cross he wore during those days was a cross of sorrow, though he bore it with a smile.”

— Dom Ermin Vitry, OSB (31-OCT-1936)

Recent Posts

  • “Puer Natus in Béthlehem” • (Added Fifths)
  • Epiphany Hymn • “New 2-Voice Arrangement”
  • How Does The Vatican “Rhythm” Actually Sound?
  • Simplified Accompaniment (Epiphany Hymn)
  • “Adeste Fideles” • Too Many Translations!

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