Antiphonal Leaves

Two 16th Century vellum, antiphonal manuscript music leaves; each from Latin psalms
Neume in wikipedia
  Take note of the section regarding the "quilisma." "Always as part of a multi-note neume, . . . ." Later the article says: "Quarter-tone or accidental. The support for this interpretation lies in some early digraphic manuscripts which combine chironomic neumes with letter-names. In places where other manuscripts have quilismas these digraphs often have a strange symbol in place of a letter, suggesting to some scholars the use of a pitch outside the solmization system represented by the letter names. The trigon is a neume peculiar to St. Gall which may also have a microtonal meaning.  
"Trigon Neume" in French wikipedia
Antiphon in wikipedia
Medieval Music in wikipedia
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Revised: November 10, 2013
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© 2013 Rick Tagawa