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Corpus Christi Watershed

We’re a 501(c)3 public charity established in 2006. We have no endowment, no major donors, no savings, and run no advertisements. We exist solely by the generosity of small donors.

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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 · December 17, 2019

“Agincourt” • Do You Know This Hymn?

I insisted that my interpretation was correct. Then she made a comment that haunts me still.

Jeff Ostrowski · December 16, 2019

Fr. Peter Gee • My First Chant Teacher

Is it just me, or does England have extremely beautiful churches?

Jeff Ostrowski · December 12, 2019

Fantastic! • “Somber Yet Powerful” Advent Hymn

It’s impossible to incorporate all the awesome Advent hymns; the season is too short.

Jeff Ostrowski · December 10, 2019

PDF • “Veni Veni Emmanuel” (2 Voices + Organ)

Download this PDF score—free to all—and sing during Advent!

Jeff Ostrowski · December 1, 2019

(Archive) • St. Edmund Campion Missal & Hymnal (2nd Edition)

Foreword by Fr. Berg   —   Nine Images   —   2nd Edition Info Table of Contents   —   Executive Summary ORGAN ACCOMPANIMENTS (2 vols.)   —   “How do I open this book properly?” (VIDEOS) INE ART: More than 300 traditional line art illustrations were collected from a special Benedictine archive and […]

Jeff Ostrowski · November 30, 2019

Fr. Wasilewski: “Evil” to Remove Pachamama Idols

His argument about “theft”—such as removing pornography from a church where children might see it—is incorrect and dangerous.

Jeff Ostrowski · November 26, 2019

Are Choirmasters Allowed To Have A Bad Day?

By 1941, Horowitz had been playing Rachmaninov’s 3rd Concerto for 23 years…

Jeff Ostrowski · November 14, 2019

Dominican Priest Calls Gregorian Chant “Infantile”

Fr. Gerard Lessard is upset that millennials “seem to be mainly interested in returning to Gregorian chant and organ music of the distant past.”

Jeff Ostrowski · November 11, 2019

Video • What Are Common Hymn Melodies?

Short demonstrations by a volunteer parish choir!

Jeff Ostrowski · November 8, 2019

PDF Download • A Eucharistic Piece My Choir Loves

Including a “preview” of the forthcoming Brébeuf Hymnal SATB Choral Supplement.

Jeff Ostrowski · October 28, 2019

What Choirmasters Do.

In case you’re wondering: the photo on the upper right is me—taken on Saturday night.

Jeff Ostrowski · October 23, 2019

Fascinating! • Tridentine “Permission Slip” (1985)

In this riveting document, Archbishop Weakland forbids one’s child from attending a Low Mass—wicked beyond a doubt!

Jeff Ostrowski · October 21, 2019

New Typesetting! • “Kyriale Supplement” (1934)

Mr. Andrew Hinkley has done something marvelous…again!

Jeff Ostrowski · October 19, 2019

PDF Download • Palestrina Kyrie (Part 2 of 3)

“Dazzlingly luscious” is probably best way to describe this Mass.

Jeff Ostrowski · October 16, 2019

“Hidden” Hymns by Cardinal Newman

Fr. Nicholls points out that Saint Newman was an admirer of Beethoven at a time when Beethoven was still living.

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Corpus Christi Watershed

President’s Corner

    Urgent! • We Desperately Need Funds!
    A few days ago, the president of Corpus Christi Watershed posted this urgent appeal for funds. Please help us make sure we’re never forced to place our content behind a paywall. We feel it’s crucial that 100% of our content remains free to everyone. We’re a tiny 501(c)3 public charity, entirely dependent upon the generosity of small donors. We have no endowment and no major donors. We run no advertisements and have no savings. We beg you to consider donating $4.00 per month. Thank you!
    —Jeff Ostrowski
    “Booklet of Eucharistic Hymns” (16 pages)
    I was asked to create a booklet for my parish to use during our CORPUS CHRISTI PROCESSION on 22 June 2025. Would you be willing to look over the DRAFT BOOKLET (16 pages) I came up with? I tried to include a variety of hymns: some have a refrain; some are in major, others in minor; some are metered, others are plainsong; some are in Spanish, some are in Latin, but most are in English. Normally, we’d use the Brébeuf Hymnal—but we can’t risk having our congregation carry those heavy books all over the city to various churches.
    —Jeff Ostrowski
    “Yahweh” in church songs?
    My pastor asked me to write a weekly column for our parish bulletin. The one scheduled to run on 22 June 2025 is called “Three Words in a Psalm” and speaks of translating the TETRAGRAMMATON. You can read the article at this column repository. All of them are quite brief because I was asked to keep within a certain word limit.
    —Jeff Ostrowski

Quick Thoughts

    “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
    When to Sit, Stand and Kneel like it’s 1962
    There are lots of different guides to postures for Mass, but I couldn’t find one which matched our local Latin Mass, so I made this one: sit-stand-kneel-crop
    —Veronica Brandt

Random Quote

“A striking detail: at Solesmes, we remember hearing Justine Ward criticize accompaniment sometimes or seeing her cover her ears, especially when the organ accompanied a soloist, which is something she could not accept.”

— Dom Pierre Combe

Recent Posts

  • PDF Download • “Gospel Acclamation” for 29 June (Solemnity of Saints Peter and Paul, Apostles)
  • “Hybrid” Chant Notation?
  • Available! • Free Rehearsal Videos for Agnus Dei “Mille Regretz” after Gombert (d. 1560)
  • Urgent! • We Desperately Need Funds!
  • PDF Download • “Polyphonic Extension” (Kevin Allen) for Gloria III

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Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.

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