Sémiologie grégorienne

Jeff Ostrowski · May 17, 2021

“Slanty Wampus” Doesn’t Count

From one of my composition teachers…

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Jeff Ostrowski · February 23, 2021

“Old Solesmes” Method • What’s That?

I recently conducted an experiment…with surprising results.

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Jeff Ostrowski · January 23, 2020

Extremely Rare! • 1908 Solesmes Graduale (PDF Download)

I’ve been searching for this book for twenty years! • For the first time in history, the Graduale Romanum from 1908 (with Solesmes rhythmic markings) has been scanned and uploaded • Includes copious and detailed information about the rhythm of the Editio Vaticana (“Vatican Edition”) you won’t find anywhere else+

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Father Adrian Fortescue on the “Agnus Dei”

Speaking about the AGNUS DEI, Father Fortescue wrote: “Agnus as a vocative is curious, evidently in order to reproduce the original text (John 1:29) exactly.” [Altera die vidit Joannes Jesum venientem ad se, et ait: Ecce agnus Dei, ecce qui tollit peccatum mundi.] Father Fortescue, as usual, is correct; but in some medieval manuscripts you can find “Agne Dei.” Here’s an an example of that.

—Jeff Ostrowski

List • Responses by each bishop!

This incredible website gives each bishop’s response to the recent MOTU PROPRIO Traditionis Custodes, a decree by Pope Francis which seeks to reduce the number of celebrations of the “Extraordinary Form” (Traditional Latin Mass): traditioniscustodes.info

—Jeff Ostrowski

Tomorrow is Sunday…

When you were in school, you would have gotten in trouble if you wrote the Roman Numeral “9” as viiii. You were supposed to write: IX. But look how an ancient manuscript writes “9” as a Roman Numeral. That’s the Introit Ecce Deus for tomorrow’s feast in the Extraordinary Form: The 9th Sunday after Pentecost.

—Jeff Ostrowski