In two or more paragraphs of 200+ words total, compare and contrast the three types of music listening. include examples of how or when you might employ each listening technique.

Before writing an essay make a small research and form a plan which should be  built  like this : 1) type of  listening and its description  2)  another one 3) one more 4) comparison including all of them 5) conclusion based on previous information. 
You have to describe : Informational Listening  which occurs when you need to focus on lerning 
Critical Listening in order to enable analitical thinking
Therapeutic or Empathetic Listening - listening to understand emotions.
Hope these tips will help you!

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