Click a slice to hear the note · ▶ plays the enabled scales (A4 = 440 Hz)

Current key 現在の調

Legend 凡例

1
Major scale note 長調の音
1
Minor scale note 短調の音
♯/♭
Not in the scale 使われていない音（異名同音を斜めに分割表示）
7
Leading tone of harmonic minor 和声的短音階の導音

▽ rotates the scale clockwise (+1 semitone), △ counterclockwise (−1 semitone). Rings, outside → in: major, natural minor, harmonic minor, melodic minor. The staff below always shows the key selected on the wheel. Melodic minor descends as natural minor (classical).