switch,

转换
subject soprano,

高音部主题
now just modulating from one key to the next here.

这里从一个调转到了另一个
And here they actually do repeat that tonic note,

这里再次重复了主音
Okay.

好了
And then what they do is go off and improvise on that.

之后他们开始了一段即兴演奏
But it's interesting,the similarity between jazz style and Baroque music.

爵士和巴洛克音乐的共通点很有意思
Why is that the case?

为什么会这样
Well,Baroque music has a lot of driving rhythm in it,

巴洛克音乐中有许多驱动节奏
kind of regular rhythm in it,

就像反复的节奏
and jazz has a kind of regular, pulsating rhythm in it too.

爵士乐中也有很多反复律动的节奏
I asked you what instrument was playing the bass line there

我想问一下哪个乐器演奏了低声部