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  Vocabulary - LESSON 12
  Ah, Music
   

  vibration – A vibration is a quick movement back and forth.
  
  tune – A tune is a series of notes that make up a piece of music.
  
  volume – Volume is the amount of sound.
  
  expression – When something has expression, it has a certain feeling or mood.
  
  creative – Creative means good at making new things or having new ideas.
  
  performance – When you sing, dance, or act in front of an audience, you are giving a performance.
  
  concentrate – When you concentrate, you put all your attention on one thing.
  
  relieved – To be relieved means to no longer be worried.