>>557
フレット上の音程やオクターブピッチの事だが、知らんのか
https://www.google.com/search?q=%E3%82%AE%E3%82%BF%E3%83%BC+%E3%82%A4%E3%83%B3%E3%83%88%E3%83%8D%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3&;client=ms-android-kddi-jp&sxsrf=APq-WBsmqoioLKPYH8d7yuJnXykLYmeRZg%3A1646118657558&ei=AccdYpSwIajA5OUPyLuX6AQ&oq=%E3%82%AE%E3%82%BF%E3%83%BC+%E3%82%A4%E3%83%B3%E3%83%88%E3%83%8D%E3%83%BC%E3%82%B7%E3%83%A7%E3%83%B3&gs_lcp=ChNtb2JpbGUtZ3dzLXdpei1zZXJwEAMyBAgjECcyBwgAEIAEEAQyBQgAEKIEOgcIABBHELADOgQIABBDOgUIABCABDoECAAQHjoGCAAQCBAeOgYIABAFEB5KBAhBGABQhQtY_zxg70poAXABeACAAcUCiAH_CZIBBzEuNS4xLjGYAQCgAQHIAQjAAQE&sclient=mobile-gws-wiz-serp