来自《耶鲁大学开放课程：聆听音乐 第18集 第18集》

• 
  
  and he would have to transport his own piano
  另外还需自己搬运钢琴
• 
  
  over to this hall to provide the instrument for him to play
  搬到音乐厅用来演奏
• 
  
  Let's take a look at this piano of Mozart
  我们来看一眼莫扎特的钢琴
• 
  
  So here is a piano of Mozart
  这就是一架莫扎特用过的钢琴
• 
  
  It's a very small instrument, as you can see
  你可以看到 它个头不大
• 
  
  Its compass is only five octaves, F to F
  它的键盘只有五个八度 F到F
• 
  
  So it--and it has only one string per key
  并且每个键只对应一根弦
• 
  
  If you go up to the modern grand and actually look at it,
  如果你观察现代的三角钢琴
• 
  
  you'll--you hit middle C
  当你弹中央C时
• 
  
  There are actually three strings up there
  会发现击弦槌实际上
• 
  
  that get struck by that hammer,
  在同时敲击三根弦
• 
  
  but in Mozart's piano there'd only be one
  但在莫扎特的钢琴上只有一根