西洋の音階はドレミファソラシドだが、日本でピアノなどを習うと日本の音階いろはにほへとも大事に使う。それは何に使うのか？ /message /verifyErrors The term in the instance sentence won't match the entry term. The sentence consists of offensive written content. Cancel Post Many thanks! Your comments are going to be reviewed. #verifyErrors concept 諸説あるその理由たちをこちらの記事では詳しく... https://lnwlike.com/