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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

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

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

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

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

1963 The Accompaniment of Plainsong (Fleming)

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

1891 Dom Joseph Pothier Antiphonale

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

1910 (Anglican) Organum Comitans ad 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

1947 Treatise on Gregorian Accompaniment (Dom Gregory Murray)

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

1892 Pustet Antiphonale

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

1910 Vade Mecum Paroissial (Aug Le Guennant)

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 Practical Instruction in Plainsong 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

Ravanello Polyphonic Motets

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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President’s Corner

    PDF • “Music List” (Sunday, 28 December)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Feast of the Holy Family of Jesus, Mary, & Joseph (28 Dec. 2025). If such a thing interests you, feel free to download it as a PDF file. The FAUXBOURDON verses for the Communion Antiphon are particularly gorgeous. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • “Music List” (Xmas Midnight Mass)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for Christmas Midnight Mass (“Ad Missam In Nocte”). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is simple, but quite beautiful. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski
    PDF • “Music List” (4th Sunday of Advent)
    Readers have expressed interest in perusing the ORDER OF MUSIC I’ve prepared for 21 December 2025, which is the 4th Sunday of Advent (Year A). If such a thing interests you, feel free to download it as a PDF file. The ENTRANCE CHANT is the famous “Roráte Coeli” and the fauxbourdon setting of the COMMUNION is exquisite. As always, the Responsorial Psalm, Gospel Acclamation, and Mass Propers for this Sunday are available at the feasts website alongside the official texts in Latin.
    —Jeff Ostrowski

Quick Thoughts

    What does this mean? “Pre-Urbanite”
    One of the things informed critics have frequently praised vis-à-vis the Saint Jean de Brébeuf Hymnal has to do with its careful treatment of the ancient hymns vs. the “Urbanite” hymns. This topic I had believed to be fairly well understood—but I was wrong. The reason I thought people knew about it is simple; in the EDITIO VATICANA 1908 Graduale Romanum (as well as the 1913 Liber Antiphonarius) both versions are provided, right next to each other. You can see what I mean by examining this PDF file from the Roman Gradual of 1908. Most people still don’t understand that the Urbanite versions were never adopted by any priests or monks who sang the Divine Office each day. Switching would have required a massive amount of effort and money, because all the books would need to be changed.
    —Jeff Ostrowski
    PDF Download • “Santo Santo Santo”
    Those searching for a dignified, brief, simple, bright setting of SANCTUS in Spanish (“Santo Santo Santo”) are invited to download this Setting in honor of Saint John Brébeuf (organist & vocalist). I wonder if there would be any interest in me recording a rehearsal video for this piece.
    —Jeff Ostrowski
    Pope Leo XIV on Sacred Music
    On 5 December 2025, Pope Leo XIV made this declaration with regard to liturgical music.
    —Corpus Christi Watershed

Random Quote

He stood firm against nepotism, rebuking his predecessor Pope Pius IV to his face when he wanted to make a 13-year-old member of his family a cardinal and subsidize a nephew from the papal treasury.

— Re: Pope Saint Pius V (d. 1572)

Recent Posts

  • “O Antiphons” Elevated?
  • PDF • “Music List” (Sunday, 28 December)
  • Should Catholics Sing Protestant Christmas Carols?
  • PDF • “Music List” (Xmas Midnight Mass)
  • What does this mean? “Pre-Urbanite”

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