So let's listen to a pattern that Rossini is using here in this opera overture.

这里罗西尼在这部歌剧的序曲中用了这个模式。

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No.He just keeps that same E-flat chord for about six minutes at the beginning of the Overture to Rheingold, and on the basis of that you know there's going to be a very long opera.

没有莱茵的黄金序曲的前6分钟全部是E大调和弦，由此可见这是一部非常长的歌剧。

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