Thus I have endeavored to reconcile as far as possible Gregorian rhythm, as it has been established by the Benedictines of Solesmes, with the requirements of the modern measure. The rigor of the latter, with its strong beats and weak beats recurring at regular intervals, is in fact difficult to reconcile with the variety and flexibility of the Gregorian line, which is nothing more than a series of successive impulses and relaxations.
The strong beats had to lose their dominant character to take the same value of intensity as the weak beats, in such a way that the Gregorian rhythmic accent or the Latin tonic accent can be placed freely on any beat of our modern measure.
We spent a ton of time on Beethoven.
remember that Durufle was writing for French Latin, not Italian Latin
Which is a problem of great consequence, as Laon 239, a nearly complete Graduale from perhaps 880 and a manuscript source of the greatest value, was not rediscovered until 1906—five years later—according to Mocquereau himself, and published in PM X, 1910. They didn't fully know what they were talking about yet.the Solesmes theory of rhythm (which anyway was almost fully developed by Paléographie Musicale 7 a few years before)


I stand by what I wrote. Are we really not in disagreement here?[Mocquereau] managed to convince nearly everyone that the long clivis and pes quadratus were long-short figures rather than entirely long, based on a faulty application of the "golden rule" principle, and he erroneously treated the normal syllabic value as short and indivisible on that same basis.
The thirteenth-century golden rule was a proscription against breath before a syllabic break, not against a long note there.
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