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.”

Views from the Choir Loft

Jeff Ostrowski • Article Archive

A theorist, organist, and conductor, Jeff Ostrowski holds his B.M. in Music Theory from the University of Kansas (2004). He completed studies in Education and Musicology at the graduate level. Having worked as a church musician in Los Angeles for ten years, in 2024 he accepted a position as choirmaster for Saint Mary of the Immaculate Conception in Michigan, where he resides with his wife and children. —Read full biography (with photographs).

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PDF Download • Trinity Sunday (22 pages)

Feel free to download this Organ Accompaniment Booklet for Trinity Sunday (Second Vespers). Notice how the modes progress by number. Psalm 1 is mode 1; Psalm 2 is mode 2; Psalm 3 is mode 3; Psalm 4 is mode 4; Psalm 5 is mode 5. I am told by an expert that other feasts (such […]

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10 June 2022 • “Official” rhythm of plainsong

I continue to search for the most beautiful way to present the “pure” Editio Vaticana scores. (Technically, the “pure” rhythm of the official edition is what everyone is supposed to use.) You can download my latest attempt, which is the Introit for this coming Sunday: Feast of the Most Holy Trinity. Because this is not […]

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7 June 2022 • FEEDBACK

From Chelan, Washington: “CCWatershed is a God-sent resource that I can’t function without! Such great work by the team to bring beauty back to our liturgy!” From Gainesville, Florida: “I am so appreciative of the work, of my brothers and sisters in music!” From Troutman, North Carolina: “Keep up the excellent work in service of the Liturgy!”

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PDF Download • (Organ Accompaniment)

I created this organ accompaniment booklet for organists who will accompany Vespers on Pentecost Sunday. Feel free to download it; it might give you some ideas or inspiration. Be warned: It looks pretty sloppy. (The organist is the only one who sees it.)

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Revelation • “Re: The Official Rhythm”

A very intelligent singer admitted that only yesterday did he finally come to understand what a “melismatic mora vocis” is. Only yesterday did he come to understand the “white notes” (blank spaces). You can see the Introit for Pentecost Sunday only has two instances of MMV (“melismatic mora vocis”).

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3 June 2022 • FEEDBACK

From Saint Petersburg, Florida: “Thank you so much for all of your tireless and selfless work in building up the Kingdom of God and Helping us on the path toward heaven! Your work for many years now has borne much fruit in my life and in the lives of whom I work with. May the […]

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1 June 2022 • FEEDBACK

From Pennsylvania: “Thank you for all of the music on your website! It has been of immense help to me as a choir director.” From Minnesota: “Thank you for your awesome ministry! I started going to a Latin mass parish about 10 years ago, and this website has been indispensable to me. I could not […]

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