The socio-historical environment Berg lived in and the twelve-note technique preparation he had held played a decisive role in creating this piece of music.

贝尔格所处的社会历史环境以及他对十二音技术的准备，对该作品的创作起到了决定性影响。

youdao

I was twelve when I wrote it, and I folded the note into her change purse.

写它的时候我12岁，我把这张便条折起来放进了她的零钱包里。

youdao

Twelve hours later, there was a note waiting for me at the airport instead of Karine.

12小时后，在机场等我的不是Karine而是一条消息。

youdao

So, we end up here within an octave-- we end up with twelve equal pitches, but we still use this term a 'seven-note scale' because we have seven notes within the scale of the major scale and seven notes within the scale of the minor scale.

因此,我们在一个八度内,最终得到等量划分的十二个音高,但是我们始终称之为"七音音阶",因为在大调音阶上有七个音符,在小调音阶上也有七个

耶鲁公开课 - 聆听音乐课程节选