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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

Articles

Richard J. Clark · May 2, 2014

The Pipe Organ in Survival Mode

Organists can no longer take for granted the dominant use—or for that matter, any use of the organ despite anything Sacrosanctum Concilium states.

Corpus Christi Watershed · May 1, 2014

Jogues Illuminated Missal • Responsorial Psalm Sample Video

Free Responsorial Psalms

Jeff Ostrowski · May 1, 2014

Everything You Ever Wanted To Know About Liturgical Translations

This is no hybrid: it’s an elegant, accurate, modern, unified English translation of the Graduale!

Dr. Peter Kwasniewski · May 1, 2014

A Triple Cord: Liturgy, Aquinas, and CST

The traditional liturgy, the study of St. Thomas Aquinas, and Catholic social doctrine―these three things stand or fall together.

Andrew R. Motyka · April 30, 2014

OF with an EF Priest

Why the EF seems to have all the good celebrants.

Richard J. Clark · April 27, 2014

Mass in Honor of Pope Saint John Paul II

FREE DOWNLOAD of the complete score AND recordings.

Fr. David Friel · April 27, 2014

The Mercy of God Makes Saints

Unmasking the Media’s Mythical Divide Between Popes

Guest Author · April 27, 2014

Homily: 2nd Sunday of Easter (Divine Mercy)

I’m happy that people want to gain the plenary indulgence on Divine Mercy Sunday. But remember, you can also gain it on other occasions.

Jeff Ostrowski · April 25, 2014

Thirteen (13) Organ Accompaniments to “Missa de Angelis” (Mass VIII)

Free PDF downloads for “Mass of the Angels” organ accompaniments • Henri Potiron (1950), Achille Bragers (1937), Dr. Eugene Lapierre (1946), Franz Xaver Mathias (1906), Dr. Peter Wagner (1905), Monsignor Leo P. Manzetti (1906), Julius Bas (1906), and more+

Richard J. Clark · April 25, 2014

PREVIEW – Mass in Honor of Pope Saint John Paul II

Preview of the “Mass in Honor of Pope Saint John Paul II” Listen to the Gloria!

Guest Author · April 25, 2014

The Thoughtful Theologian reflects on the canonisations of 27 April 2014

God is Truth Itself, and so faith transcends reason, and elevates it without contradicting it.

Dr. Peter Kwasniewski · April 24, 2014

“Soft Source of Calm Tranquillity”: The Quiet Mass

A poem set to music by Handel perfectly captures the feelings one has at a quiet low Mass. Here I try to say why this form of the Mass is so special and valuable.

Corpus Christi Watershed · April 23, 2014

VIDEO • Explaining the St. Isaac Jogues Illuminated Missal, Lectionary, & Gradual

Approved by the USCCB — 2014 Imprimatur from Bishop Slattery of Tulsa.

Jeff Ostrowski · April 22, 2014

More unites us than divides us!

Musicians tend to be very “picky” people who don’t get along with one another.

Guest Author · April 21, 2014

Francis Thompson (1859 – 1907): Catholic, Addict, Poet

The intellect of the world has been corrupted. Francis Thompson is the antidote.

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Corpus Christi Watershed

President’s Corner

    Luis Martínez Must Go!
    Sevilla Cathedral (entry dated 13 December 1564): The chapter orders Luis Martínez, a cathedral chaplain, to stay away from the choirbook-stand when the rest of the singers gather around it to sing polyphony—the reason being that “he throws the others out of tune.” [Excerpt from “The Life of Father Francisco Guerrero.”]
    —Jeff Ostrowski
    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

Quick Thoughts

    Pope Pius XII Hymnal?
    Have you ever heard of the Pope Pius XII Hymnal? It’s a real book, published in the United States in 1959. Here’s a sample page so you can verify with your own eyes it existed.
    —Corpus Christi Watershed
    “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

Random Quote

“Worse, composers are now setting the introits of the missal [instead of the Graduale] to music, even to chant, though these texts were explicitly for spoken recitation only.”

— ‘Dr. William Mahrt (Fall, 2015)’

Recent Posts

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  • PDF Download • Palestrina’s “Ave Maria”

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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.

The election of Pope Leo XIV has been exciting, and we’re filled with hope for our apostolate’s future!

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President’s Message (dated 30 May 2025)

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