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 possib... boffosocko.com

@chrisaldrich Thanks for that link. It's several decades now since I listened to any music at all like that and it's reminding me how much I love it!