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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

Corpus Christi Watershed

Corpus Christi Watershed · September 8, 2017

Theodore Marier • “Good Hymns for Worship” (1957)

Fascinating transcripts dealing with polyphony (“old and new”) and many other topics.

Corpus Christi Watershed · September 5, 2017

Video • Rehearsal Excerpt with Kevin Allen

Filmed at the 2017 Sacred Music Symposium

Corpus Christi Watershed · July 25, 2017

Video • FSSP Altar Server Training Camp

The FSSP seminarians exceeded all expectations!

Corpus Christi Watershed · July 15, 2017

Benedict XVI’s Message At Cardinal Meisner’s Funeral

“When, on his last morning, Cardinal Meisner did not appear at Mass, he was found dead in his room.”

Corpus Christi Watershed · July 10, 2017

PDF Download • (2,292 Pages) Choral Music in Latin & English by Richard Rice

A stunning announcement by Richard Rice!

Corpus Christi Watershed · June 6, 2017

Altar Servers’ Camp • Priestly Fraternity of Saint Peter

In Los Angeles! Learn Solemn Vespers, Low Mass, Pontifical Mass, and more!

Corpus Christi Watershed · May 24, 2017

Promo Video • Upcoming FSSP Ordinations

Seven men will be ordained to the Sacred Priesthood for the FSSP in North America on 26 May 2017.

Corpus Christi Watershed · May 19, 2017

Women Who Wear The Mantilla In Church

“At times, it’s hard because I feel as if I’m the only one in church wearing one.” —Crystalina Evert

Corpus Christi Watershed · May 11, 2017

May Is Dedicated To Mary

“Prior to the singing of each hymn, a brief background of its history and significance in Catholic devotional life will be presented by Peter Meggison.”

Corpus Christi Watershed · April 17, 2017

G.I.A. Publications President: “Statement on Composer David Haas”

Alec Harris (President of GIA Publications) “can’t overestimate the profound impact” that David Haas had on “everyone at GIA Publications.”

Corpus Christi Watershed · April 8, 2017

Members’ Page • Sacred Music Symposium 2018

Private & Confidential

Corpus Christi Watershed · March 28, 2017

Professional Video • Real, Live, Irish Monks!

Silverstream Priory is a house of monks living under the Rule of Saint Benedict.

Corpus Christi Watershed · January 12, 2017

Fr. Magiera Reviews The Campion Hymnal

“These renderings are accompanied by beautiful photos so even the novice should be able to follow the Mass rather easily.”

Corpus Christi Watershed · January 11, 2017

Practice Tracks • Ainslie’s “English Proper Chants”

Want a reliable and accessible way to learn the John Ainslie “English Proper Chants” for your parish choir? Subscribe for *free* weekly practice videos!

Corpus Christi Watershed · December 26, 2016

“The Journey of the Magi”

Originally, the star was shown above the tiled roof of the stable.

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Corpus Christi Watershed

President’s Corner

    PDF Download • “Atténde Dómine”
    Although it isn’t nearly as ancient as other hymns in the plainsong repertoire, Atténde Dómine, et miserére, quía peccávimus tíbi (“Look down, O Lord, and have mercy, for we have sinned against Thee”) has become one of the most popular hymns for LENT—perhaps because it was included in the famous Liber Usualis of Solesmes. This musical score (PDF file) has an incredibly accurate version in English, as well as a nice version in Spanish, and also the original Latin. Although I don’t claim to have a great singing voice, this morning I recorded this rehearsal video.
    —Jeff Ostrowski
    Music List • (1st Sunday of Lent)
    Readers have expressed interest in seeing the ORDER OF MUSIC I’ve prepared for this coming Sunday—22 February 2026—the 1st Sunday of Lent (Year A). 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 available at the outstanding feasts website alongside the official texts in Latin. I spent an enormous amount of time preparing this ORDER OF MUSIC—because the children’s choir will join us—and some of its components came out great. For example, the COMMUNION ANTIPHON with Fauxbourdon is utterly resplendent, yet still ‘Lenten’.
    —Jeff Ostrowski
    2-Voice Arrangement for Lent
    Those seeking a two-voice arrangement for LENT and PASSIONTIDE should click here and scroll down. It’s based on number 775 in the Brébeuf Hymnal, with an enchanting melody written by Kevin Allen (the legendary American composer of sacred music). That text—“Pendens In Crucis Cornibus”—is often used for the Feast of our Lady of Sorrows. That link is important because, in addition to the musical score, it provides free rehearsal videos for each individual voice: something volunteer choirs appreciate!
    —Jeff Ostrowski

Quick Thoughts

    “Reminder” — Month of Febr. (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
    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

For the most part, a “good pope” is defined as someone who does what the critic would do if he were pope.

— William F. Buckley Jr. (6 September 1978)

Recent Posts

  • The Weekday Communions of Lent
  • PDF Download • “Atténde Dómine”
  • “Chant Is Not a Penitential Act” • Lenten Reflection by Daniel Marshall
  • (Ash Wednesday) • Medieval Illumination Depicting the Distribution of Ashes
  • Music List • (1st Sunday of Lent)

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