To find this, just count down three semitones (count to the left ... and raise the seventh note of the scale. For example, in A harmonic minor there are no sharps or flats other than the raised ...
Its historical importance is that the major and minor scales being used became transposable for all twelve semitones; that is, the scale could begin on any semitone and still consist of the same ...
A scale is a sequence of notes (known as ... of four semitones followed by a gap of three) while some are minor (a gap of three semitones followed by a gap of four). One of them (vii) is ...