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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 · February 19, 2023

Jeff’s Attempt At Singing

I’m much more comfortable in a baritone’s range than a soprano’s range!

Jeff Ostrowski · February 19, 2023

Three-Voice Piece You’ll Love!

To help my volunteer choir members learn, I have attempted to record all the vocal parts for Justorum Animae, composed for SOPRANO, ALTO, and BASS. It’s from a brilliant collection by Kevin Allen called Matri Divinae Gratiae. You can hear my attempt by visiting this website and scrolling down to “Justorum Animæ.” My singers really […]

Jeff Ostrowski · February 18, 2023

Cardinal Roche on discouraging or limiting “ad orientem” celebration: “It is an absurdity”

Ponder this statement by the prefect for the Dicastery for Divine Worship and the Discipline of the Sacraments (a.k.a. “CDW”).

Jeff Ostrowski · February 15, 2023

PDF • 2014 Dissertation: “Plainchant Influence on the Liturgical Music of Dr. Marier” (324 pages)

This treatise (324 pages) is a “must read” for anyone who cares about liturgical music in the Catholic Church.

Jeff Ostrowski · February 13, 2023

Please Accept This Advice!

If you’ve been considering attending the Sacred Music Symposium, I suggest you send in your application as soon as possible. The committee that meets to evaluate each candidate has been going through them—and they are scheduled to convene again this week. (They do their best to get through as many as they can as quickly […]

Jeff Ostrowski · February 13, 2023

“Sexagesima Vespers” • Organist Booklet

I’m currently in the process of creating a website where all the organ accompaniment booklets for Vespers are posted for download. At the moment, you can download the 25-page booklet I used yesterday, to accompany vespers for Sexagesima Sunday.

Jeff Ostrowski · February 11, 2023

Hymn for the Season of Septuagesima? • Yes!

Where did “Ordinary Time” come from?

Jeff Ostrowski · February 9, 2023

PDF Download • “Gorgeous Image!”

Saint John Mary Vianney (d. 1859) is one of my favorite saints. Our readers will want to download this gorgeous stained glass window which depicts Father Vianney, the holy Curé d’Ars.

Jeff Ostrowski · February 8, 2023

PDF Download • Symposium Kyrie Revealed

People often complain: “Catholic priests won’t pay a living wage for choir directors, yet gladly pay millions to purchase a pipe organ.”

Jeff Ostrowski · February 7, 2023

Did Pope Francis Just Publicly Rebuke the Prefect of Divine Worship?

Arthur Cardinal Roche has not had an easy time of it lately.

Jeff Ostrowski · February 5, 2023

Hymn by Cardinal Newman

During the season of Septuagesima, we will be using this hymn by Cardinal Newman, which employs both Latin and English. (Readers probably know that Cardinal Newman was one of the world’s experts when it comes to Lingua Latina.) The final verse contains a beautiful soprano descant. You can hear this brief excerpt taken during our […]

Jeff Ostrowski · February 4, 2023

Church Music Shouldn’t Be “Headache-Inducing”

Authentic sacred music should attract people. It should not drive them away.

Jeff Ostrowski · February 4, 2023

Introit • Candlemas (2 February)

“Candlemas” • Our choir sang on February 2nd, and here’s a live recording of the beautiful INTROIT: Suscépimus Deus. We had very little time to rehearse, but I think it has some very nice moments. I promise that by the 8th Sunday after Pentecost it will be perfect! (That Introit is repeated on the 8th […]

Jeff Ostrowski · February 3, 2023

Simplified Antiphons • “Candlemas”

Anyone who desires simplified antiphons (“psalm tone versions”) for 2 February, the Feast of the Purification—which is also known as “Candlemas” or the Feast of the Presentation—may freely download them. The texts of the antiphons are quite beautiful. From “Lumen Ad Revelatiónem Géntium” you can hear a live excerpt (Mp3). I’m not a fan of […]

Jeff Ostrowski · January 31, 2023

Tempo?? • 𝘏𝘰𝘭𝘺 𝘎𝘰𝘥, 𝘞𝘦 𝘗𝘳𝘢𝘪𝘴𝘦 𝘛𝘩𝘺 𝘕𝘢𝘮𝘦

Once, after Mass, my pastor said he really loved the hymn we did. I said: “Father, that’s Holy God, We Praise Thy Name—you never heard it before?” He replied: “But the way you did it was terrific. For once, it didn’t sound like a funeral dirge!” Last Sunday, our volunteer choir sang that hymn. I […]

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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

    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
    “Dies Irae” • A Monstrous Translation
    It isn’t easy to determine what Alice King MacGilton hoped to accomplish with her very popular book—A Study of Latin Hymns (1918)—which continued to be reprinted in new editions for at least 34 years. This PDF file shows her attempt to translate the DIES IRAE “in the fewest words possible.” There’s a place for dynamic equivalency, but this is repugnant. In particular, look what she does to “Quærens me sedísti lassus.”
    —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

“Participation” in the Mass does not mean hearing our own voices. It means God hearing our voices. Only He knows who is “participating” at Mass. I believe, to compare small things with great, that I “participate” in a work of art when I study it and love it silently.

— Evelyn Waugh

Recent Posts

  • 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)
  • PDF Download • Simplified Keyboard Accompaniments for Lenten Hymns

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