When we're music notes invented and where? Assuming that they did not spread overnight, what other forms of musical notation was there in the pre music note world?

by LonkTheHeroOfTime
Bodark43

u/flotiste posted a pretty thorough answer to that question here:

https://www.reddit.com/r/AskHistorians/comments/4j8ltr/when_did_music_begin_to_be_written_like_it_was/