At certain cadential points, he inserts brief cadenzas that add an improvisational touch.

在某些节拍上，他加入一些简单的用于即席弹奏的装饰乐段。

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The high background noise is documented in many complaints in writings of the time. It led to the practice of loudly sounding a cadential chord to alert the audience of an impending aria.

据记载高背景噪声当时被大量的投诉，它导致了大声的节奏和弦以及咏叹调的产生和实践。

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