一种相似的管弦乐曲，如谱写的作为合唱篇或话剧的前奏曲的此类乐曲。
A similar orchestral work, such as one written as a concert piece or an introduction to a play.
格什温的一首前奏曲或格什温歌曲或格什温的钢琴作品。还可以是其他作曲者改编的格什温作品。
A Prelude by Gershwin or a Gershwin song or composition arranged for piano by Gershwin. The Gershwin selection may also be a transcription by another composer.
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