这个乐队快闪族的表演给人们的体验和在音乐厅看交响乐团的表演全然不同，或许是因为周围环境的新鲜感吧。

This musical flash mob is a very different experience from watching an orchestra perform in a music hall, perhaps because of the novelty of the surroundings.

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古典音乐起源于欧洲。它的作曲非常正式，演奏家很少即席发挥。古典音乐乐队的大小差别很大，小至弦乐四重奏乐团，大到交响乐团不等。

Classical music originated in Europe. The compositions are formal and the musicians rarely improvise. Classical music groups vary in size from string quartets to symphony orchestras.

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她经常和交响乐团一起演奏，这似乎是她第一次和一个爵士乐队一起表演。

She usually plays with symphony orchestras, and apparently this is her first time with a jazz band.

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