About one third of jazz is in blues form with twelve measures4 in a song and USES — blue notes, "the flatted third, fifth, and seventh notes of the musical scale."

大约有三分之一的爵士乐采用蓝调形式，一首歌有12小节，使用“蓝音”，即把第三、五、七个音阶降半音(如c大调的E、G、B)。

youdao

The blues scale only has five notes, so that greatly simplifies our melody.

布鲁斯刻度只有五音符，因此大大简化了我们的旋律。

youdao

Single notes playing is the basic technique of blues harmonica which is worth making much practice.

是的，单音是练习布鲁斯口琴的基础，是值得花时间去练习的。

youdao