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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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Corpus Christi Watershed

Corpus Christi Watershed · March 19, 2013

1934 Potiron Benediction Accompaniments

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1909 Vranken Missa Pro Defunctis

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1907 Vespers of B.V.M. Accompaniment

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1890 Organum Comitans ad Vesperale (Hanisch)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1874 Die Schule des katholischen Organisten

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1840s (?) Gregorian Accompaniment (Félix Bélédin)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1874 Proprium et Commune Sanctorum (Haberl)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1905 Dr. Fr. X. Mathias Kyriale

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1937 Fr. Lasance Missal (PDF)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1929 Kyriale Organ Accompaniment (Potiron)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1923 Justine Bayard Ward Book

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1949 Gregorian Accompaniment Treatise (Lapierre)

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1921 Le plain-chant grégorien

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1912 Franz Nekes • Organ Accompaniment to the “Ordinarium Missæ”

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

Corpus Christi Watershed · March 19, 2013

1857 Kyriale in Modern Notation

A free PDF download of this entire book is provided, courtesy of the St. Jean de Lalande Library of Rare Books.

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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

“The traditions of the elders, your glory throughout long ages, must not be belittled. Indeed, your manner of celebrating the choral office [in Latin] has been one of the chief reasons why these families of yours have lasted so long, and happily increased.”

— Pope Saint Paul VI (15 August 1966)

Recent Posts

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  • Communion • “Ask & You Shall Receive”
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