You may pay attention the piece postlude which I and she sing in a chorus.

你们可以留意我和她合唱的片尾曲。

Additionally, this song also includes the rhythms of Mazurka, Nocturnes, and Barcarole.As for tempo rubato, the prelude and postlude are both very dramatized.

除，曲可见、夜曲、船歌的节奏，弹性速度方面，导奏及尾奏皆富于戏剧化。