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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

World Youth Day with polyphony and chant!

Christopher Mueller · April 12, 2016

WYD_Sydney Pilgrims at the 2008 World Youth Day, held in Sydney, Australia ANY of you know that World Youth Day is an event convened every 2-3 years, where high school and college-aged kids and young adults from all over the world gather in some large international city for a week, to celebrate Mass, meet the Pope (or at least be near him), and grow in their faith. This event is huge – millions of young people convene every time it happens! In fact, World Youth Day 1995 in Manila held the record for the largest-ever papal event, when over five million pilgrims gathered for Mass with Pope St. John Paul II. (That record was recently broken when Pope Francis celebrated a Mass for over six million people… in Manila!)

This summer World Youth Day will be held in Krakow, Poland, and I have the honor of having been invited to conduct all the music at the English-language Masses! There are so many English-speaking pilgrims that these Masses will be held in a giant stadium. There will be a morning Mass each day, for five consecutive days.

Additionally, my family, which sings polyphony and chant together as the Mueller Family Schola, has been invited to give a concert as one of the cultural events that take place each evening at this enormous gathering. And my wife and kids will not only be present for our concert, but they’ll be joining me to sing at all the Masses I’ll be conducting as well.

One of my goals is to incorporate polyphony and chant into every Mass. I think it would be amazing to set a kind of liturgical template that youth from all over the world would take back to their parishes. “We heard all this beautiful music at the Masses in Poland – can’t we have that same music at our own church?” I’ve been working closely with Dominican Friars from the United States and Poland as we carefully plan all these liturgies. And we expect a pretty big choir!

But here’s where I need your help:

In order to direct the wonderful music this July in Krakow, my family and I first have to get to Krakow. And so I’m asking if you would support our Kickstarter campaign, to help us raise enough funds to bring gorgeous polyphony, beautiful chant, and ourselves to Poland. We would be very grateful for your help, and we promise to pray for you unceasingly in our gratitude!

Thank you for your kind consideration and for your support —

Chris Mueller and the Mueller Family Schola

Please feel free to forward our campaign to anyone who may be interested. For more about the Mueller Family Schola, see our previous post on CCWatershed.

Opinions by blog authors do not necessarily represent the views of Corpus Christi Watershed.

Filed Under: Articles Last Updated: January 1, 2020

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About Christopher Mueller

Christopher Mueller is a conductor and composer who aims to write beautiful music out of gratitude to God, Author of all beauty.—(Read full biography).

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Corpus Christi Watershed

President’s Corner

    Music List • (2nd Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I created for this coming Sunday, which is the 2nd Sunday of Lent (1 March 2026). If such a thing interests you, feel free to download it as a PDF file. This feast has magnificent propers. Its somber INTROIT is particularly striking—using a haunting tonality—but the COMMUNION with its fauxbourdon verses is also quite remarkable. I encourage all the readers to visit the feasts website, where the Propria Missae may be downloaded completely free of charge.
    —Jeff Ostrowski
    Like! Like! Like!
    You won’t believe who recently gave us a “like” on the Corpus Christi Watershed FACEBOOK PAGE. Click here (PDF) to see who it was. We were not only sincerely honored, we were utterly flabbergasted. This was truly a resounding endorsement and unmistakable stamp of approval.
    —Jeff Ostrowski
    Which Mass?
    In 1905, when the Vatican Commission on Gregorian Chant began publishing the EDITIO VATICANA—still the Church’s official edition— they assigned different Masses to different types of feasts. However, they were careful to add a note (which began with the words “Qualislibet cantus hujus Ordinarii…”) making clear “chants from one Mass may be used together with those from others.” Sadly, I sometimes worked for TLM priests who weren’t fluent in Latin. As a result, they stubbornly insisted Mass settings were ‘assigned’ to different feasts and seasons (which is false). To understand the great variety, one should examine the 1904 KYRIALE of Dr. Peter Wagner. One should also look through Dom Mocquereau’s Liber Usualis (1904), in which the Masses are all mixed up. For instance, Gloria II in his book ended up being moved to the ‘ad libitum’ appendix in the EDITIO VATICANA.
    —Jeff Ostrowski

Quick Thoughts

    Extreme Unction
    Those who search Google for “CCCC MS 079” will discover high resolution images of a medieval Pontificale (“Cambridge, Corpus Christi College, MS 079”). One of the pages contains this absolutely gorgeous depiction of the Sacrament of Extreme Unction.
    —Corpus Christi Watershed
    PDF Chart • “Plainsong Rhythm”
    I will go to my grave without understanding the lack of curiosity so many people have about the rhythmic modifications made by Dom André Mocquereau. For example, how can someone examine this single sheet comparison chart and at a minimum not be curious about the differences? Dom Mocquereau basically creates a LONG-SHORT LONG-SHORT rhythmic pattern—in spite of enormous and overwhelming manuscript evidence to the contrary. That’s why some scholars referred to his method as “Neo-Mensuralist” or “Neo-Mensuralism.”
    —Jeff Ostrowski
    PDF • “O Come All Ye Faithful” (Simplified)
    I admire the harmonization of “Adeste Fideles” by David Willcocks (d. 2015), who served as director of the Royal College of Music (London, England). In 2025, I was challenged to create a simplified arrangement for organists incapable of playing the authentic version at tempo. The result was this simplified keyboard arrangement (PDF download) based on the David Willcocks version of “O Come All Ye Faithful.” Feel free to play through it and let me know what you think.
    —Jeff Ostrowski

Random Quote

“We must remember that the important elements of a rite are not the things that will first be noticed by a casual and ignorant onlooker—the number of candles, colour of the vestments and places where the bell is rung—but just those things he would not notice: the Canon, fraction and so on, the prayers said in a low voice and the characteristic but less obvious rites done by the celebrant at the altar.”

— Fr. Fortescue explaining that Anglicanism does not preserve Sarum

Recent Posts

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  • Extreme Unction
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