来自《耶鲁大学开放课程：聆听音乐 第7集 第7集》

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  if you just take octaves and roll it that way.
  以这种八度音的方式滚动演奏
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  Beethoven does this in the sonata and so on.
  贝多芬在奏鸣曲中用了这种方式
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  So there you can get the harmony
  那么 通过使用这种方式
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  to sound more interesting
  和声可以变得更好听
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  simply by rolling that octave underneath.
  只要把八度音程向下滚动
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  So all of these little tricks sort of energize
  这些小技巧就像是为音乐充电
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  the music, and, again, make it more interesting
  使之更美妙
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  than it otherwise perhaps would be.
  比其它方式或许都好
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  Sometimes harmonies can stand by themselves.
  有的时候和声可以独立存在
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  Sometimes you could take just the harmony
  你可以只演奏和声
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  and it would be very beautiful.
  也听上去非常不错
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  J.S. Bach--
  约·塞·巴赫