It gives you a sense of how ritornello form can inform this particular rondo.

它已经观感受 利都奈洛曲式如何能够形成旋曲。

It could also be a sort of slow rondo.

它还可以是慢旋曲。

I even gave you the text of a rondo by Guillaume Du Fay that goes all the way back in to the fifteenth century.

我甚至列纪尧姆·迪费写旋曲歌词而这要追溯到十五世纪。