"In Medieval music, the Guidonian hand was a mnemonic device used to assist singers in learning to sight-sing."
en.wikipedia.org/wiki/Guidonian_hand
(
artifus is doing it all wrong, Fri 27 Dec 2019, 15:24,
Reply)
all wrong
Yes we are mixing it up a bit form medievel days, putting it on to other hands makes it kind of conductorly.
(, Fri 27 Dec 2019, 17:43, Reply)