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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 · March 29, 2025

“Music List” • 4th Sunday of Lent

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

Jeff Ostrowski · March 29, 2025

PDF Download • “Gloria III” Organ Accompaniment

This is surely one of music history’s great ironies!

Jeff Ostrowski · March 27, 2025

Communion Chant (4th Sunday of Lent)

I have created a rehearsal video for this one.

Jeff Ostrowski · March 26, 2025

“Entrance Chant” • 4th Sunday of Lent

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · March 25, 2025

PDF Download • “Musical Booklet” (16 Pages) — Solemnity of the Annunciation: 25 March

A simple Mass for Cantor + Organist.

Veronica Moreno · March 23, 2025

PDF Download • Palestrina “Alleluia” (SATB) for the Ordinary or Extraordinary Form

Last week, a major bombshell was dropped with regard to two major publishing companies of Catholic hymnals.

Jeff Ostrowski · March 22, 2025

“Music List” • 3rd Sunday of Lent

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

Jeff Ostrowski · March 17, 2025

“Entrance Chant” • 3rd Sunday of Lent

This “Entrance Chant” is used during liturgical years A, B, and C.

Jeff Ostrowski · March 17, 2025

“Opportunity of a Lifetime” • Don’t Miss This!

The vast majority of these women had never sung plainsong—but they’ve taken to it like a duck to water.

Jeff Ostrowski · March 13, 2025

“Music List” • 2nd Sunday of Lent

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

Jeff Ostrowski · March 12, 2025

“Entrance Chant” • 2nd Sunday of Lent

This English adaptation uses mode 4, as does the authentic Gregorian Chant version.

Jeff Ostrowski · March 10, 2025

A Spanish Hymn for Lent

This particular hymn is being considered for inclusion in the “Cantoral del Padre Antonio Daniel.”

Jeff Ostrowski · March 7, 2025

“Music List” • 1st Sunday of Lent

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

Jeff Ostrowski · March 7, 2025

“Kyrie Setting” we’re doing for Lent

Kyrie VIII with polyphony.

Jeff Ostrowski · March 6, 2025

Watch David Poon Defeat Jeff in His Own “Hymn Challenge” — Re: The English Method

Bonus! Six (6) of my favorite Lenten hymns.

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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

    “Reminder” — Month of May (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski
    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

Random Quote

“These French offices represent a new case of the old tendency towards local modification—which the Council of Trent had meant to repress. They are commonly attributed to Gallican ideas and are supposed to be not free from Jansenist venom. Some of these local French uses survived almost to our own time. They were supplanted by the Roman books in the 19th century, chiefly by the exertions of Dom Prosper Guéranger (d. 1875).”

— Dr. Adrian Fortescue (d. 1923)

Recent Posts

  • “Reminder” — Month of May (2026)
  • “Englished” Gregorian Chant • 5 Considerations
  • Simplified Version • “Canon in D” (Pachelbel)
  • PDF Download • “Organ Accompaniment”
  • “Gregorian Chant Quiz” • 4 May 2026

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