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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

William Mahrt Gregorian Chant

Andrea Leal · May 28, 2025

“The Adalbert Propers” • Six (6) Quotations

“Fewer than 1% of Catholics are able to answer these questions correctly.” —Andrea Leal

Jeff Ostrowski · January 22, 2025

“Remembering William Mahrt” • My interview with Dr. Horst Buchholz (21 January 2025)

Includes Dr. Buchholz’s obituary for William Mahrt: “A Gentleman, a Scholar, and a Friend”

Fr. David Friel · January 2, 2025

In Memoriam • Dr. William Mahrt

A brilliant and faithful man who had tasted heaven in the chants of the Church

Jeff Ostrowski · November 8, 2021

Missa “My Little Pony” by Dan Schutte • Its Pedigree

A USCCB statement: singing psalms at Mass “may create problems” … ?

Follow the Discussion on Facebook

Fr. David Friel · May 9, 2021

Virtual Sacred Music Colloquium 2021

Alongside many familiar faces, several new presenters are joining the faculty this year.

Follow the Discussion on Facebook

Fr. David Friel · October 12, 2020

Sacred Music Boot Camp 2020

Three days of practical chant instruction and immersion in the treasury of Catholic sacred music

Follow the Discussion on Facebook

Fr. David Friel · June 11, 2020

Virtual Sacred Music Colloquium 2020

The CMAA will offer a virtual version of its annual, week-long workshop.

Follow the Discussion on Facebook

Fr. David Friel · September 8, 2019

PDF Download • Chant Notation—Nuptial Blessing (EF)

With permission from the CDF, the nuptial blessing at a sung EF Mass may be chanted according to this melody.

Fr. David Friel · August 30, 2015

Society for Catholic Liturgy Conference 2015

Featuring Archbishop Salvatore Cordileone, Dr. William Mahrt, and Fr. Uwe Michael Lang

Jeff Ostrowski · February 4, 2015

Exclusive Interview With Dr. William Mahrt

Towards the end I ask the CMAA president a loaded question … and he answers!

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Corpus Christi Watershed

President’s Corner

    “Music List” • 17th in Ordinary Time (Year C)
    Some have expressed interest in perusing the ORDER OF MUSIC I prepared for the 17th Sunday in Ordinary Time (27 July 2025). If such a thing interests you, feel free to download it as a PDF file. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are conveniently stored at the the feasts website.
    —Jeff Ostrowski
    Communion • “Ask & You Shall Receive”
    All of the chants for 27 July 2025 have been added to the feasts website, as usual under a convenient “drop down” menu. The COMMUNION ANTIPHON (both text and melody) are exceedingly beautiful and ancient.
    —Jeff Ostrowski
    Jeff’s Mother Joins Our Fundraiser
    To assist our fundraiser, Mrs. Kathleen Ostrowski has drawn several beautiful sketches which she offers to all our readers free of charge. If you have a moment, I invite you download them at this link.
    —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

“We must acknowledge that We have been somewhat disturbed and saddened by these requests. One may well wonder what the origin is of this new way of thinking and this sudden dislike for the past.” [Paul VI responding to requests from monks asking permission to remove Latin from the Divine Office.]

— Pope Saint Paul VI (15 August 1966)

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