In the Meiji period, musical notation using numerals modeled on the numeric musical notation of the harmonica came to be used in Fukuhara School nagauta bayashi, and became widespread among other schools and fields.
明治期にハーモニカの数字譜を手本として、数字による記譜が福原流長唄囃子で行われるようになり、他の流派・分野にも広がった。