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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

Biography • Jeffrey M. Ostrowski

Jeff Ostrowski · December 24, 2012

EFFREY M. OSTROWSKI holds his B.M. in Music Theory from the University of Kansas (2004) and has done graduate work in the fields of Musicology and Education. In February of 2011, Mr. Ostrowski was elected President of Watershed. His scholarship has focused on the historical performance of plainsong and polyphony of the High Renaissance, resulting in several early music CDs and an internationally broadcast television documentary. In 2002, he became the first to produce a compact disc using “multi-track” recordings for Renaissance polyphony. He has been frequently chosen as presenter for national musica sacra gatherings. He founded—and still oversees—the Sacred Music Symposium, which promotes authentic church music at the grass roots level.

Although Mr. Ostrowski does not consider himself an author, his articles have appeared in a variety of publications: Homiletic & Pastoral Review (Ignatius Press); Sacred Music Journal (Church Music Association of America); The Catholic Exchange; New Liturgical Movement; Liturgical Arts Journal; Adoremus Bulletin; and so forth. While serving as adjunct choirmaster at CORPUS CHRISTI CATHEDRAL, he played the pipe organ on television more than a hundred times.

*  Publicity Photo • JEFF OSTROWSKI (2017)
*  Publicity Photo • JEFF OSTROWSKI (2018)
*  Publicity Photo • JEFF OSTROWSKI (2023)

For ten years, Mr. Ostrowski served as choirmaster for the new FSSP Apostolate in Los Angeles, CA. In 2024, he accepted a position as choirmaster at the church of Saint Mary in Michigan, where he lives with his wife and children. In the past, he has directed the Cristóbal de Morales Consortium, Corpus Christi Cathedral Schola Cantorum, and a high school choral program. He assisted in the production of the Brébeuf Hymnal and Jogues Missal. Known across the globe as a composer, before he had reached the age of 30, Mr. Ostrowski’s compositions had already been sung by distinguished choirs—e.g. the resident choir of the New York Philharmonic—as well as for Masses in major churches such as Saint Peter’s Basilica (Vatican City). 1


NOTES FROM THIS ARTICLE:

1 Mr. Ostrowski also publishes many of his works under a pen name which will be revealed someday.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles, Biographies Tagged With: Jeff Ostrowski, Jeffrey Ostrowski Biography Last Updated: December 31, 2024

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About Jeff Ostrowski

Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He resides with his wife and children in Michigan. —(Read full biography).

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski
    “Rare Photographs” • Hannibal Bugnini
    On 2 September 2025, we included in this article extremely rare photographs of Archbishop Hannibal Bugnini taken in Iran circa 1979. Bugnini had initially been banished by the pope to Uruguay, but he refused to obey. [This is interesting, since Bugnini relied upon ‘blind obedience’ when it came to modifications of the ancient liturgy.] After he refused to obey the order from the pope, Hannibal Bugnini was banished to Iran. You can also watch a short video of Hannibal Bugnini in Iran, dated 10 November 1979. That’s about a week after the USA embassy hostage crisis began in Tehran, and Pope Saint John Paul II had sent the leader of the Iranian Revolution a special letter.
    —Jeff Ostrowski

Quick Thoughts

    PDF Download • “Anima Christi”
    I received a request for an organ accompaniment I created way back in 2007 for the “Anima Christi” Gregorian Chant. You can download this PDF file which has the score in plainsong followed by a keyboard accompaniment. Many melodies have been paired with “Anima Christi” over the centuries, but this is—perhaps—the most common one.
    —Jeff Ostrowski
    PDF • “Liturgical Law” (467 Pages)
    On Good Friday during the middle ages, the pope privately recited THE ENTIRE PSALTER. If you don’t believe me, see for yourself by reading this passage by Dom Charles Augustine Bachofen (d. 1943). His famous book—called “Liturgical Law: A Handbook Of The Roman Liturgy”—was published by the Benjamin Herder Book Company, which was the American arm (operating out of St. Louis, Missouri) of one of the world’s most significant Catholic publishers. Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon). His 1931 masterpiece, Liturgical Law can be downloaded as a PDF file … 467 pages!
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 24 March 2026
    How well do you know your Gregorian hymns? Do you recognize the tune inserted into the bass line on this score? For many years, we sang the entire Mass in Gregorian chant—and I mean everything. As a result, it would be difficult to find a Gregorian hymn I don’t recognize instantly. Only decades later did I realize (with sadness) that this skill cannot be ‘monetized’… This particular melody is used for a very famous Gregorian hymn, printed in the LIBER USUALIS. Do you recognize it? Send me an email with the correct words, and I promise to tell everybody I meet about your prowess!
    —Jeff Ostrowski

Random Quote

“The chapter orders that any cathedral singer or instrumentalist who uses a paid leave of absence to try out for a post elsewhere shall automatically forfeit his post at Seville Cathedral.” [From “The Life of Father Francisco Guerrero.”]

— Sevilla Cathedral: Chapter Resolution (7 September 1565)

Recent Posts

  • PDF Download • “Organ Accompaniment”
  • “Gregorian Chant Quiz” • 4 May 2026
  • “Rare Photographs” • Hannibal Bugnini
  • “Regina Caeli” • More Than You Wanted To Know
  • Music List • “5th Sunday of Easter” (Year A)

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