At its first performance, Gershwin improvised the piano part.

在第一次演出时盖希文临时谱写了钢琴的部分。

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The leaping theme and the string 's accompaniment of the tuba throb are combined , before the piano part of the latter runs madly up and down the keys several times .

跳跃主题、弦乐的伴奏和大号跳动的声音加了进来，然后钢琴部分疯狂地在键盘上上下弹奏数遍。

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Gershwin himself played the piano part of "Rhapsody in Blue" at the concert.

VOA: special.2009.02.15

As we come back in to this, I think we've got a situation where the piano keeps playing the four-note motive, the part like he was building it up for tension.

回到这里,我想情况是这样的,钢琴一直弹奏着四音节的动机,这个部分像是钢琴在制造紧张气氛

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