Among others, what was most important was that he changed the tuning of Soh from ritsu scale (anhemitonic pentatonic scale) to miyakobushi scale (characteristic Japanese hemitonic pentatonic scale) which then increasingly became common among ordinary people.
特に重要なのは、箏の調弦をそれまでの律音階から、当時民間で一般的になりつつあった都節音階にもとづくものに変えたことである。