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Corpus Christi Watershed

“What earlier generations held as sacred, remains sacred and great for us too…” Pope Benedict XVI (7 July 2007)

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Views from the Choir Loft

Francisco Guerrero Composer

Jeff Ostrowski · August 6, 2020

Allowed or Forbidden? • Parallel Fourths in Renaissance Polyphony

Article Subtitle: “Brave schola director posts live recording from rehearsal.”

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Jeff Ostrowski · April 30, 2020

Can Sacred Music Be Saved? • (How exactly?)

I know of no greater composition than this one—and it was written by a devout Catholic priest.

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Jeff Ostrowski · April 22, 2016

Shocking Parallels By Guerrero

I’ve seen similar passages by Orlando Lassus.

Jeff Ostrowski · April 20, 2016

Benedictus & Hosanna • “Missa Beata Mater”

My friend was in charge of picking music for papal Masses under Pope St. John Paul II.

Jeff Ostrowski · March 12, 2016

PDF Download • Spanish Cathedral Music (1961)

“On Holy Saturday in 1545, while the pope and several cardinals were present, two of the oldest choir members flew at each other during the blessing of the new oils…”

Jeff Ostrowski · March 1, 2016

“Kyrie Eleison” (SATB) within the reach of any choir!

Can Watershed survive? (Part 1)

Jeff Ostrowski · February 23, 2016

Rehearsal Videos • A Resplendent “Agnus Dei” You’ve Never Heard

Can you hear the Canon between Soprano & Tenor?

Jeff Ostrowski · February 3, 2016

Exclusive Interview • Mr. Nancho Alvarez

“I must point out that the content of my site is totally free, granting open access to everyone.” —Nancho Alvarez

Jeff Ostrowski · February 2, 2016

Ridiculously Awesome Sanctus You’ve Never Heard

We are not allowed to sing Tropes in the Extraordinary Form, so I added that text in italics.

Jeff Ostrowski · January 19, 2016

Can You Hear The Purple In This Kyrie?

Only one word describes Guerrero’s musical genius: fearsome.

Jeff Ostrowski · January 5, 2016

Rehearsal Videos • Kyrie “Beata Mater”

By the mighty Francisco Guerrero!

Jeff Ostrowski · December 30, 2015

Which Mass Goes With Which Season?

Unfortunately, many ignore the words of Abbot Pothier, included at the front of the Vatican Edition.

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Corpus Christi Watershed

Quick Thoughts

Can You Spare 33 Seconds?

Here’s an audio excerpt (33 seconds) of a setting for Kyrie VIII which was recorded live last Sunday at our parish in Los Angeles. The setting (“Missa de Angelis”) is by composer Richard Rice, and you can download the free PDF if you click here and scroll to the bottom. I think Richard’s composition is marvelous. I missed a few notes on the organ, but I’ll get them right next time.

—Jeff Ostrowski
5 April 2021 • When Girls Sing

Covid restrictions here in California are still extremely severe—switching “two weeks to flatten the curve” into “two years to flatten the curve.” Since 2020, we’ve had police breaking into our church to check if everyone is wearing a mask…even when only 5-6 people are present! But we were allowed to have a small percentage of our singers back on Easter Sunday, and here is their live recording of the ancient Catholic hymn for Eastertide: Ad Cenam Agni Providi. The girls were so very excited to sing again—you can hear it in their voices!

—Jeff Ostrowski
29 March 2021 • FEEDBACK

“E.S.” in North Dakota writes: “I just wanted to take a moment to say THANK YOU for all the hard work you have put—and continue to put—into your wonderful website. In the past two years, my parish has moved from a little house basement into a brand new church and gone from a few families receiving Low Masses twice a month to several families (and many individuals) receiving Mass every Sunday, two Saturdays a month, and every Holy Day. Our priest has been incorporating more and more High Masses and various ceremonies into our lives, which has made my job as a huge newbie choir master very trying and complicated. CCWatershed has been an invaluable resource in helping me get on my feet and know what to do!!! Thank you more than I can express! May God bless you abundantly and assist you in your work and daily lives!”

—Jeff Ostrowski

Random Quote

Impelled by the weightiest of reasons, we are fully determined to restore Latin to its position of honor, and to do all We can to promote its study and use. The employment of Latin has recently been contested in many quarters, and many are asking what the mind of the Apostolic See is in this matter. We have therefore decided to issue the timely directives contained in this document, so as to ensure that the ancient and uninterrupted use of Latin be maintained and, where necessary, restored.”

— Pope John XXIII (22 February 1962)

Recent Posts

  • Can You Spare 33 Seconds?
  • “The Great Reset” • For Your Choir?
  • “Adze” • Do you know this word?
  • PDF Download • Vespers for Holy Thursday?
  • PDF Download • “Sanctus for Three Voices” (Soprano, Alto, and Bass)

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