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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 · April 11, 2026

PDF Download • “Quasi Modo Sunday”

The official language of the Catholic Church is Latin (whereas Greek is our mother tongue).

Jeff Ostrowski · April 10, 2026

‘German’ Introductions for Hymns

German organ books have an enchanting habit…

Jeff Ostrowski · April 9, 2026

PDF Download • “Sprinkling Rite” + Psalm Verses

“From your wounded side, O Christ, a spring of water bursts forth, by which the squalor of the world is washed away…”

Jeff Ostrowski · April 8, 2026

Buckfast Abbey Weighs In

Dom John Stéphan was a Benedictine monk of Buckfast Abbey in South Devon, England.

Jeff Ostrowski · April 7, 2026

PDF Download • “Catholic Hymnal & Service Book” (632 Pages)

Includes an interesting harmonization for “Víctimae Pascháli Laudes.”

Jeff Ostrowski · April 6, 2026

PDF • “Liturgical Law” (467 Pages)

Dom Charles Augustine Bachofen was born in Switzerland but spent his career between the Benedictine monasteries at Conception (Missouri) and Mount Angel (Oregon).

Jeff Ostrowski · April 6, 2026

Responsorial Psalm Fauxbourdon?

What does this actually sound like?

Jeff Ostrowski · April 5, 2026

Music List • (Easter Sunday, 2026)

Readers have expressed interest in examining my “music list” for Easter Sunday 2026.

Jeff Ostrowski · April 1, 2026

PDF Download • “Sprinkling Rite”

At the last second, a few tones were changed in the antiphon.

Jeff Ostrowski · April 1, 2026

‘Sarum’ Good Friday?

Do you recognize it?

Jeff Ostrowski · March 31, 2026

Gregorian Chant • The “Correct” Way of Singing?

Now I will explain what that means.

Jeff Ostrowski · March 30, 2026

PDF Download • “Eb Organ Postlude”

Although a Lutheran himself, he held the appointment at a Roman Catholic Cathedral until his death.

Jeff Ostrowski · March 28, 2026

Music List • (Palm Sunday, 2026)

Readers have expressed interest in examining my “music list” for this coming Sunday.

Jeff Ostrowski · March 28, 2026

Easter • Would You Sing This Hymn?

Should this be added to the “pernicious hymn pairing” collection?

Jeff Ostrowski · March 24, 2026

Pipe Organ “Answers” in Plainsong?

Some might be a bit confused as to why it says the organ “answers” in Plainsong.

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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

It was thought important that the song should actually accompany the distribution of Communion. A Carolingian explanation of the Mass remarks that during the Communion “soft melody should touch the ear [of the faithful] so that hearing this sound they would busy themselves less with distracting thoughts and … their hearts would be moved to humble love for that which they receive.”

— Father Josef Andreas Jungmann

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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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.