Microtone (09) Any interval smaller than a semitone.

微，微分(09)小於任何程。

That the note relation in semitone and chords sequence gained attention and usage step by step along with the harmony chromaticism.

在和声进程，关系和弦连接性质也发生了一些。

The combination of bending and overblowing technique makes it true to play all the semitones on a diatonic harmonca.

和超吹技术结合使得在一把口琴上演奏所有大小调梦想成真。