来自《耶鲁大学开放课程：聆听音乐 第14集 第14集》

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  Now something interesting happens.
  发生了些有意思的事
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  When we were dealing with sonata-allegro form we said
  当我们在讲奏鸣曲式时谈到过
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  that there were four functional types
  有四种不同功能的音乐类型
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  and this really isn't just limited to sonata-allegro form.
  这些音乐类型并不局限在奏鸣曲式里
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  There are functional types in all kinds of music.
  而是在所有音乐中都会出现
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  When you go to a movie, a cinema, a film for example,
  比如你去电影院看一部电影
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  oftentimes at the end of the scene,they will have a fade out
  通常在场景的末尾会有一个淡出
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  and listen to the fade out music.
  留心一下这种淡出音乐
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  There's kind of transition music
  很多时候电影音乐中
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  in film music a lot of times.
  含有这种过渡音乐
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  Then maybe we get a new scene
  当我们需要转换到一个新场景
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  and it's very prominently displayed well,
  新场景需要被显著地呈现时