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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

Andrew Leung • Article Archive

Andrew Leung graduated from the sacred music program of Franciscan University of Steubenville, majored in vocal performance. He has also studied organ, choral conducting and Gregorian chant with world-class musicians. Prior to returning to Hong Kong, he served as a parish music director in Atlanta, and later as the organist and choirmaster at the Cathedral of Macau, China. Andrew is currently the music director of Vox Antiqua, conductor of the Cecilian Singers and music director at Our Lady of China Church. He is also an artist and vocal coach at the Paul Phoenix Academy.—Read full biography (with photographs).

Andrew Leung · March 30, 2017

Reconstructed 16th-Century Mass

An interesting project to reconstruct a 16th century Mass as Henry VIII would have heard it.

Andrew Leung · February 14, 2017

Feature Video • London Oratory Schola

A very cool promotion video of the Schola Cantorum of the London Oratory School

Andrew Leung · February 2, 2017

Invest in your Music Program!

Financial support is necessary for building a successful parish music program.

Andrew Leung · January 12, 2017

The Role of Catholic Church Choir

Keep God as the center of the choir and direct our music towards Him.

Andrew Leung · January 5, 2017

PDF Download • “Missa de Angelis” (Fr. Castro)

Fr. Áureo Castro’s setting alternates the chant melody and the choral parts.

Andrew Leung · November 24, 2016

Free Download • Simple Choral Midnight Mass Introit

A simple setting of “Dominus Dixit ad Me” by Fr. Áureo Castro.

Andrew Leung · November 10, 2016

CMAA Winter Sacred Music 2017

Early Registration is still available for Winter Sacred Music 2017 (Birmingham, AL).

Andrew Leung · October 27, 2016

New Document on Christian Burial and Cremation

The CDF released a Instruction on Christian Burial and Cremation yesterday.

Andrew Leung · October 13, 2016

The New Feature on the Organ of King’s College

Check out this newest feature on the restored organ in the Chapel of King’s College!

Andrew Leung · October 6, 2016

St. Francis and Sacred Music

St. Francis of Assisi is not a “liturgical hippie.” He is a lover of the Roman liturgy and might have sung polyphony…

Andrew Leung · September 15, 2016

The Power of Sacred Music

True Sacred Music brings hope and joy to those suffering.

Andrew Leung · September 8, 2016

Ten Reflections on “Pride of Place”

Giving Gregorian Chant the “pride of place” is more than just singing the Propers.

Andrew Leung · September 1, 2016

The First Catholic Diocese in East Asia

Macau is the first Roman Catholic diocese in East Asia.

Andrew Leung · August 27, 2016

The Reason for Choir — Paul Mealor

Welsh composer, Paul Mealor, talks about the importance of choral music.

Andrew Leung · August 25, 2016

I Am Moving Again!

I will be studying at St. Joseph Seminary in the historical Diocese of Macau, China.

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Corpus Christi Watershed

President’s Corner

    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
    PDF • Our Lady of Guadalupe (12 Dec.)
    The Responsorial Psalm may be downloaded as a PDF file (organist & vocalist) for 12 December, which is the Feast of Our Lady of Guadalupe. When it comes to the formulary for this Mass, it’s astounding how infrequently it’s included in official books. Prior to Vatican II, one had to search through “supplemental material” printed in the back of hand-missals and graduals. But since 1970, the feast is virtually nonexistent. According to the UNIVERSAL KALENDAR, 12 December is the “Feast of Saint Jane Frances De Chantal, Religious” (Die 12 decembris: S. Ioannæ Franciscæ de Chantal, religiosæ). Why should that feast overpower Our Lady of Guadalupe? In the United States, OLG is celebrated—and I’d assume in Mexico, Central America, South America, and Canada—but, as I said, the Propria Missae are virtually impossible to locate. I possess only three books which mention this feast.
    —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

Many declare that Vatican Council II brought about a true springtime in the Church. Nevertheless, a growing number of Church leaders see this “springtime” as a rejection, a renunciation of her centuries-old heritage, or even as a radical questioning of her past and Tradition. Political Europe is rebuked for abandoning or denying its Christian roots; but the first to have abandoned her Christian roots and past is indisputably the post-conciliar Catholic Church.

— ‘Pope Francis’ Chief Liturgist (31 March 2017)’

Recent Posts

  • Should Catholics Sing Protestant Christmas Carols?
  • PDF • “Music List” (Xmas Midnight Mass)
  • What does this mean? “Pre-Urbanite”
  • “He never had a single day of conflict with anyone.”
  • PDF • “Standard Gregorian Chants for Schools, Churches, Seminaries, & Convents” (1946) —123 pages

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