主しゅ調ちょう音おんしゅちょうおんじ字FuriganaMeanings1nounkeynote; tonicmusic›In music theory, the first note of a scale; the tonal center. Compare 主調 (しゅちょう), which refers to the main key of a piece.See also: 主調ハ長ちょう調ちょうの主しゅ
