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“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

Video Recording • Pro-Arte Saint Louis

Corpus Christi Watershed · August 6, 2018

R. HORST BUCHHOLZ is well known as Sacred Music Director at the Cathedral of Saint Louis, Vice-President of the Church Music Association of America, and frequent Presenter throughout the world—including the Los Angeles Symposium.

In addition to all of this, he currently serves as artistic director for Pro-Arte Saint Louis:


You can view a recent program from one of their concerts, including works by Jean de Ockeghem (d. 1497), Alexander Agricola (d. 1506), Robert Parsons (d. 1572), Giovanni Battista Casali (d. 1792), Pedro de Aranaz (d. 1825) and many more:

    * *  PDF Download • Pro-Arte Saint Louis Program

You can learn more about Pro-Arte Saint Louis by visiting their website

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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Quick Thoughts

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 as Corpus Christi) are likewise organized by mode, and it’s called a “numerical office.”

—Jeff Ostrowski
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 an ancient feast, the Introit had to be adapted (perhaps around 750AD). Prior Johner says the adaptation is “not an entirely happy one.”

—Jeff Ostrowski
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!”

—Jeff Ostrowski

Random Quote

“The unity of language in the liturgy is so great a treasure for the Church that no advantage could compensate for its demise.”

— Dom Anselmo Albareda (2 January 1953), Father Nicola Giampietro, page 249

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Corpus Christi Watershed is a 501(c)3 public charity dedicated to exploring and embodying as our calling the relationship of religion, culture, and the arts. This non-profit organization employs the creative media in service of theology, the Church, and Christian culture for the enrichment and enjoyment of the public.