This is much closer to ABC notation [1] -- which the article says was an inspiration. ABC has been used for a long time by folk musicians, for example here [2]

This is much closer to ABC notation [1] -- which the article says was an inspiration. ABC has been used for a long time by folk musicians, for example here [2]. 1. http://abcnotation.com/ http://abcnotation.com/ 2. https://thesession.org/tunes https://thesession.org/tunes