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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 · March 2, 2016

PDF Download • “Woodward Hymnal” (1913) … Outrageously Rare!

Can Watershed survive? (Part 2)

Jeff Ostrowski · March 1, 2016

| Part 1 of 3 | • “Kyrie Eleison” (SATB) within the reach of any choir!

Can Watershed survive? (Part 1)

Jeff Ostrowski · February 28, 2016

Musical Resources • 3rd Sunday of Lent (EF)

“…free us from all sins and dangers, as Thou dost grant us to be sharers in this great mystery…”

Jeff Ostrowski · February 28, 2016

Catholic Hymns Before Vatican II Will Shock You!

In spite of what you may have read online, hymns in English were often sung during Low Mass.

Jeff Ostrowski · February 23, 2016

Rehearsal Videos • A Resplendent “Agnus Dei” You’ve Never Heard

Can you hear the Canon between Soprano & Tenor?

Jeff Ostrowski · February 22, 2016

PDF Download • “Latin in the New Liturgy” (1976)

“The use of Latin in celebrating the new Mass Rite will be encouraged as it has been in the old; Latin expresses the nature of the Church as international and timeless.”

Jeff Ostrowski · February 20, 2016

Funeral Mass • Justice Antonin Scalia

You can download the program or view the full Mass online.

Jeff Ostrowski · February 20, 2016

A Roman Catholic Cleric’s Noble Robes

The Archbishop of Kraków was (for a short time) Senator of the Second Polish Republic.

Jeff Ostrowski · February 18, 2016

PDF • Two Nice Versions of “Attende Domine”

A good piece for Lent.

Jeff Ostrowski · February 16, 2016

Something That Would Fix So Much … But Nobody Mentions It

Is this “tacit” approval really “imaginary” approval?

Jeff Ostrowski · February 15, 2016

“Credo for Two Voices” • Gustaaf Nees (d. 1965)

This simple setting of Gregorian Credo IV uses organ, men’s voices, and women’s voices.

Jeff Ostrowski · February 14, 2016

Musical Resources • 1st Sunday of Lent (EF)

“We solemnly offer the sacrifice at the beginning of Lent, O Lord…”

Jeff Ostrowski · February 14, 2016

Canon Van Nuffel’s Setting Of Smoke Rising

“Smoke rises from the Mountain of Doom. The hour grows late, and Gandalf the Grey rides to Isengard seeking my counsel.”

Jeff Ostrowski · February 12, 2016

Motet • “Verbum Supernum” by Fr. Carlo Rossini

This SATB setting can be used during any liturgical season and has “O Salutaris Hostia” as one of its verses.

Jeff Ostrowski · February 11, 2016

“Audi Benigne Conditor” • Gregorian Hymn For Lent

The text is by St. Gregory the Great, who was Pope from 590-604.

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Corpus Christi Watershed

President’s Corner

    Music List • (5th Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 5th Sunday of Lent (22 March 2026). If such a thing interests you, feel free to download it as a PDF file. Traditionally, this Sunday was called ‘Passion’ Sunday. Starting in 1956, certain church leaders attempted rename both ‘Passion’ Sunday and ‘Palm’ Sunday—but it didn’t work. For example, Monsignor Frederick McManus tried to get people to call PALM SUNDAY “Second Passion Sunday”—but the faithful rejected that. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Music List • (Holy Thursday, 2026)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for Holy Thursday, which is 2 April 2026. If such a thing interests you, feel free to download it as a PDF file. I’m not sure I’ve ever heard a more piercingly beautiful INTROIT, and I have come to absolutely love the SATB version of ‘Ubi cáritas’ we are singing (joined by our burgeoning children’s choir). I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    “O Escam Viatorum” • (Holy Thursday)
    When I was very young, I erroneously believed the four psalms provided by the 1957 Liber Usualis—for Communion on Holy Thursday—were the “correct” music to sing on that first day of the TRIDUUM SACRUM. Those four psalms are: Psalm 22 (Dóminus regit me et nihil mihi déerit); Psalm 71 (Deus judícium tuum regi da); Psalm 103 (Bénedic ánima méa); and Psalm 150 (Laudáte Dóminum in sanctis ejus). It turns out I was way out in left field! While nothing forbids singing those psalms, many other options are equally valid. Our volunteer parish choir will sing this COMMUNION PIECE (joined by our burgeoning children’s choir) on Holy Thursday during Holy Communion. Needless to say, this will happen after the proper antiphon from the GRADUALE ROMANUM has been sung.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Ubi Caritas” (SATB)
    I remember singing “Ubi Cáritas” by Maurice Duruflé at the conservatory. I was deeply moved by it. However, some feel Duruflé’s version isn’t suitable for small choirs since it’s written for 6 voices and the bass tessitura is quite low. That’s why I was absolutely thrilled to discover this “Ubi cáritas” (SATB) for smaller choirs by Énemond Moreau, who studied with OSCAR DEPUYDT (d. 1925), an orphan who became a towering figure of Catholic music. Depuydt’s students include: Flor Peeters (d. 1986); Monsignor Jules Van Nuffel (d. 1953); Arthur Meulemans (d. 1966); Monsignor Jules Vyverman (d. 1989); and Gustaaf Nees (d. 1965). Rehearsal videos for each individual voice await you at #19705. When I came across the astonishing English translation for “Ubi Cáritas” by Monsignor Ronald Knox—matching the Latin’s meter—I decided to add those lyrics as an option (for churches which have banned Latin). My wife and I made this recording to give you some idea how it sounds.
    —Jeff Ostrowski
    Stumped by “Episcopalian Hymnal” (1910)
    Some consider Songs of Syon (1910) the greatest Episcopalian hymnal ever printed. As a Roman Catholic, I have no right to weigh in one way or the other. However, this particular page has me stumped. I just know I’ve heard that tune somewhere! If you can help, please email me. I’m talking about the text which begins: “This is the day the Lord hath made; In unbeclouded light array’d.” The book is by George Ratcliffe Woodward, and its complete title is: Songs of Syon: A Collection of Psalms, Hymns, and Spiritual Songs. Back in 2016, Corpus Christi Watershed scanned and uploaded this insanely rare book. For years our website was the sole place one could download it as a PDF file.
    —Jeff Ostrowski
    PDF Download • “Holy, Holy, Holy”
    For vigil Masses on Saturday (a.k.a. “anticipated” Masses) we use this simpler setting of the “Holy, Holy, Holy” by Monsignor Jules Vyverman (d. 1989), a Belgian priest, organist, composer, and music educator who ultimately succeeded another ‘Jules’ (CANON JULES VAN NUFFEL) as director of the Lemmensinstituut in Belgium. Although I could be wrong, my understanding is that the LEMMENSINSTITUUT eventually merged with “Catholic University of Leuven” (originally founded in 1425). That’s the university Fulton J. Sheen attended.
    —Jeff Ostrowski

Random Quote

“Those who teach Latin must know how to speak to the hearts of the young, know how to treasure the very rich heritage of the Latin tradition to educate them in the path of life, and accompany them along paths rich in hope and confidence.”

— Pope Francis (7 December 2017)

Recent Posts

  • PDF Download • “Ubi Caritas” (SATB)
  • Summer 2026 • “Gregorian Chant Course” at Aquinas College (Nashville, TN)
  • Music List • (5th Sunday of Lent)
  • Music List • (Holy Thursday, 2026)
  • “O Escam Viatorum” • (Holy Thursday)

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