On September 26th 1957, Stephen Sondheim wrote a letter to Leonard Bernstein upon the opening of West Side Story.

1957年9月26日，《西区故事》的首演日，史蒂芬·桑德海给里奥纳多·伯恩斯坦书写了一份信函。

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Stephen Sondheim wrote the words to the Bernstein music.

VOA: special.2009.08.02

Anastasio, who was obsessed with "West Side Story" as a kid, joked that he used to love poring over old photos of Stephen Sondheim and Leonard Bernstein lounging on couches as they collaborated on last-minute songs.

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