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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 · December 21, 2015

Sing Like the Angels

We can learn from the best choir, the Holy Angels!

Andrew Leung · December 17, 2015

The “O Antiphons” Begin Tonight

Starting tonight, the “O Antiphons” are prayed at Vespers. A recording of James MacMillan’s “Veni, Veni, Emmanuel” is also included in this post.

Andrew Leung · December 10, 2015

Videos • Popes open the Holy Door

Two old videos of the Opening of the Holy Door

Andrew Leung · December 10, 2015

Understanding the Sacred

Reflection on “Understanding the Sacred” based on two events happened in Vatican this week

Andrew Leung · December 3, 2015

Video • The Voice of St. John Paul the Great

Two videos of John Paul II’s singing

Andrew Leung · December 3, 2015

CMAA Winter Sacred Music Workshop

Registration is now open for the CMAA Winter Sacred Music Workshop in Houston

Andrew Leung · November 19, 2015

What can Men Do Against such Reckless Hate?

“This will be our reply to violence: to make music more intensely, more beautifully, more devotedly than ever before.” —Leonard Bernstein

Andrew Leung · November 12, 2015

Sistine Chapel Choir has made Great Improvement

The Sistine Chapel Choir is sounding like a British Boys’ Choir in their new CD

Andrew Leung · November 5, 2015

Active Participation in the Traditional Latin Mass

2 Churches demonstrate active participation in the Tridentine Mass.

Andrew Leung · October 28, 2015

An American Requiem

A Funeral Guide for helping Catholic pastors, choirmasters and families in America honor our beloved dead.

Andrew Leung · October 22, 2015

4 Choral Combinations that would Help Develop You Music Program

4 combinations of voices that would help develop your parish music program.

Andrew Leung · October 15, 2015

My New Assignment—Part 2

An update on my new assignment.

Andrew Leung · October 1, 2015

Mass in the Ancient Form at a Basilica

The Traditional Latin Mass is being offered regularly at the Basilica of Sts. Peter and Paul in Chattanooga.

Andrew Leung · September 28, 2015

Papal Liturgies – Day 6 of the Papal Visit

Pope Francis celebrated the Closing Mass for the World Meeting of Families on the last day of his visit.

Andrew Leung · September 26, 2015

Papal Liturgies – Day 4 & 5 of the Papal Visit

2 Papal Masses in New York and Philadelphia.

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Corpus Christi Watershed

President’s Corner

    PDF Download • “For Pentecost Sunday”
    Yesterday morning, I recorded myself singing the ENTRANCE CHANT for Pentecost Sunday while simultaneously accompanying myself on the pipe organ. Click here to see how that came out. At the end of the antiphon, there’s a triple Allelúja and I just love the chord at the end of the 2nd iteration. The organ accompaniment—along with the musical score for singers—can be downloaded free of charge at the flourishing feasts website. For the record, the antiphon on Pentecost Sunday doesn’t come from a psalm; it comes from the book of Wisdom.
    —Jeff Ostrowski
    PDF Download • “Organ Accompaniment”
    Over the past few years, I’ve been harmonizing all the vernacular plainsong Introit settings by the CHAUMONOT COMPOSERS GROUP. This coming Sunday—10 May 2026—is the 6th Sunday of Easter (Year A). The following declaration will probably smack of “blowing my own horn.” However, I’d rank this accompaniment as my best yet. In this rehearsal video, I attempt to sing it while simultaneously accompanying myself on the pipe organ. The musical score [for singers] as well as my organ accompaniment can be downloaded free of charge from the flourishing feasts website.
    —Jeff Ostrowski
    “Gregorian Chant Quiz” • 4 May 2026
    A few days ago, the CORPUS CHRISTI WATERSHED Facebook page posted this Gregorian Chant quiz regarding a rubric for the SEQUENCE for the feast of Corpus Christi: “Lauda Sion Salvatórem.” There is no audience more intelligent than ours—yet surprisingly nobody has been able to guess the rubric. Drop me an email with the right answer, and I’ll affirm your brilliance to everyone I encounter!
    —Jeff Ostrowski

Quick Thoughts

    “Thee” + “Thou” + “Thine”
    Few musicians realize that various English translations of Sacred Scripture were granted formal approval by the USCCB and the Vatican for liturgical use in the United States of America. But don’t take my word for it! Here are four documents proving this, which you can examine with your own eyes. Some believe the words “Thine” and “Thou” and “Thee” were forbidden after Vatican II—but that’s incorrect. For example, they’re found in the English translation of the ‘Our Father’ at Mass. Moreover, the Revised Standard Version (Catholic Edition) mentioned in those four documents employs “Thine” and “Thou” and “Thee.” It was published with a FOREWORD by Westminster’s Roman Catholic Archbishop (John Cardinal Heenan).
    —Jeff Ostrowski
    “Reminder” — Month of May (2026)
    On a daily basis, I speak to people who don’t realize we publish a free newsletter (although they’ve followed our blog for years). We have no endowment, no major donors, no savings, and refuse to run annoying ads. As a result, our mailing list is crucial to our survival. It couldn’t be easier to subscribe! Just scroll to the bottom of any blog article and enter your email address.
    —Jeff Ostrowski
    Simplified Version • “Canon in D” (Pachelbel)
    I published an article on 11 November 2023 called Wedding March For The Lazy Organist, which rather offhandedly made reference to a simplified version I created in 2007 for Pachelbel’s Canon. I often use it as a PROCESSIONAL for weddings and quinceañeras. Many organists say they “hate” Pachelbel’s Canon. But I love it. I think it’s bright and beautiful. I created that ‘simplified version’ for musicians coming to grips with playing the pipe organ. It can be downloaded as a free PDF if you visit Andrea Leal’s article dated 15 August 2022: Manuals Only: Organ Interludes Based on Plainsong. Specifically, it is page 84 in that collection—generously offered as a free PDF download. Johann Pachelbel (d. 1706) was a renowned German organist, violinist, teacher, and composer of over 500 works. A friend of Bach’s family, he taught Johann Christoph Bach (Sebastian Bach’s eldest brother) and lived in his house. Those who read Pachelbel’s biography will notice his connection to two German cities adopted as famous hymn tune names: EISENACH and ERFURT.
    —Jeff Ostrowski

Random Quote

“Some of our younger parish clergy read their sermons. This should not be done except for some very special reason. The priest who is not capable of preparing and delivering a brief, clear instruction on Catholic teaching to his people is not fit to be in parish work. The people as a rule do not want to listen to a sermon reader.”

— Archbishop of Baltimore (9 July 1929)

Recent Posts

  • Entrance Chant • Before or After Opening Hymn?
  • “Unfair Characterization” • (But Good Question)
  • “Thee” + “Thou” + “Thine”
  • PDF Download • “For Pentecost Sunday”
  • “Reminder” — Month of May (2026)

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