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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

Articles

St. Edmund Campion Missal and Hymnal · July 1, 2013

What’s New In The Second Edition?

The St. Edmund Campion Missal & Hymnal is a pew book (992 pages long) for the Traditional Latin Mass.

Corpus Christi Watershed · July 1, 2013

07 • Lalemant Conversations: Sequoia Sierra

What does a young stylist from L.A. think about the Mass Propers?

Corpus Christi Watershed · July 1, 2013

1989 Preface to the Douay-Rheims Bible

St. Jerome had access to ancient Hebrew and Greek manuscripts of the 2nd and 3rd centuries which have since perished and are no longer available to scholars today.

St. Edmund Campion Missal and Hymnal · July 1, 2013

Organ Accompaniments for the Campion Hymnal

The St. Edmund Campion Missal & Hymnal is a pew book (992 pages long) for the Traditional Latin Mass.

St. Edmund Campion Missal and Hymnal · July 1, 2013

Miscellaneous Section (Campion Missal)

The St. Edmund Campion Missal & Hymnal is a pew book (992 pages long) for the Traditional Latin Mass.

Fr. David Friel · June 30, 2013

Basilica Music Academy

A New Venture

Veronica Brandt · June 29, 2013

Of Singers and Drawers

Can’t sing, can’t draw, can type a little.

Corpus Christi Watershed · June 28, 2013

Henri Potiron Organist Vesperale (PDF Download)

Henri Potiron’s 1935 organ accompaniments for Vespers (270 pages) for free download!

Richard J. Clark · June 28, 2013

Begin From the Beginning—Interesting Things Will Happen

I have not even begun to speak of music at liturgy, music worthy of praising the God who loves us to the point of death on a cross. Where will this understanding lead us in our sacred music? Interesting things happen in our lives when we worship God.

Dr. Peter Kwasniewski · June 27, 2013

The Spirit of Solesmes

The unification of our lives, the orientation to the ultimate goal that gives meaning to every proximate and particular goal we seek, is the work of the sacred liturgy.

Jeff Ostrowski · June 26, 2013

Video Demonstration Of Polyphony

I hope you enjoy this SATB version of the St. Edmund Arrowsmith Mass, a simple musical setting for “MR3” (Roman Missal, 3rd Edition).

Corpus Christi Watershed · June 26, 2013

Did you know Lasso suffered from depression?

Lassus (†1594) was a celebrity musician in his day, and at least 2,000 of his masses, canticles, motets and hymns have survived. He was also bipolar, then called “melancholia hypochondriaca.”

Jeff Ostrowski · June 26, 2013

Gregorian Missal With The New Translation!

Can anyone help me understand this sentence in the Foreword?

Cynthia Ostrowski · June 25, 2013

Catholic Line Art, Black and White • Installment #22

I will be releasing hundreds of these B/W religious line art drawings for free and instant download. These beautiful Catholic “woodcuts” were done with magnificent skill. “Download Free Traditional Catholic Clipart”

Jeff Ostrowski · June 24, 2013

The Gather Hymnal

Excuse me, but . . . Say what? “If Christ entered the room, we’d be on our feet in an instant. We would not kneel.”

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Corpus Christi Watershed

President’s Corner

    Music List • “5th Sunday of Easter” (Year A)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for the 5th Sunday of Easter Sunday—a.k.a. “Dominica V Paschae”—which is 3 May 2026. Please feel free to download it as a PDF file if such a thing interests you. The COMMUNION (“Tanto Témpore Vobíscum Sum”) is rather somber, with awesome fauxbourdon psalm verses. The ENTRANCE CHANT is bright and happy.
    —Jeff Ostrowski
    PDF Download • Communion for Sunday
    The COMMUNION ANTIPHON with fauxbourdon psalm verses for this coming Sunday (3 May 2026) is elegant and poignant. It’s such a shame it only comes every three years. This piece—along with all the musical scores for this coming Sunday, which is the 5th Sunday of Easter (Year A)—can be downloaded free of charge from the flourishing feasts website. By the way, how is it already 2026?
    —Jeff Ostrowski
    Season’s End Repertoire
    Looking at the REPERTOIRE SHEET until the end of the choral season, I see that I’ve fallen behind schedule. (The last three months have been extraordinarily busy.) As you know, I have been providing organ harmonies for all the ENTRANCE CHANTS—as well as rehearsal videos—and you can see I’m behind where I planned to be. Now I must make up lost ground. However, the choir picks up the ENTRANCE CHANT with ease, so I’m sure it will all work out. My ‘unofficial’ harmonizations are being posted each week at the flourishing feasts website.
    —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

“In my opinion, there should be reached the aim that all priests could continue to use the old Missal.”

— ‘Cardinal Ratzinger, Letter to Wolfgang Waldstein (14 December 1976)’

Recent Posts

  • “Regina Caeli” • More Than You Wanted To Know
  • Music List • “5th Sunday of Easter” (Year A)
  • PDF Download • Communion for Sunday
  • “Translating the Bible” • Msgr. Ronald Knox (1953)
  • Season’s End Repertoire

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