A cute and very clear Guidonian hand from MS Codex 1248 with a musical scale in the palm and at the bottom a lace cuff with the letters Alpha and Omega on either side and IHS in the middle of the wrist.
Dot Porter did a more thorough tour of MS Codex 1248 today compared to our prior glimpse.

Today I learned that the phrase “run the gamut” comes from Γ ut or gamma ut, which is the lowest note of the hexachord system on the Guidonian hand and is also used to describe all the possible notes.


And for some somewhat related musical fun via John Carlos Baez:

Guillaume Dufay (1397 – 1474) is the most famous of the first generation of the Franco-Flemish school. (This first generation is also called the Burgundian School.) He is often considered a transitional figure from the medieval to the Renaissance. His isorhythmic motets illustrate that—their tonality is dissonant and dramatic compared to typical Renaissance polyphony.

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Chris Aldrich

I'm a biomedical and electrical engineer with interests in information theory, complexity, evolution, genetics, signal processing, IndieWeb, theoretical mathematics, and big history. I'm also a talent manager-producer-publisher in the entertainment industry with expertise in representation, distribution, finance, production, content delivery, and new media.

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