补全对话。
A: Good morning, everyone!
B和C: Good morning, teacher!
A: Today we are going to talk about the ________ (音乐的种类). You know, people in different ages like distinct styles of songs. For example, I am a crazy fan of _______ (摇滚音乐)and collect over one thousand CD. Do you want to listen? ...Nobody answer me...OK, I play it now.
B: Oh, please don't do that!
C: Sorry, Sir! But we really hate them. Because they are noisy and madness. How about ____【小   题3】____ (乡村音乐)? They always ________ (让我感到很轻松并回忆起乡村生活).
A: Of course I have, I prepared many kinds of music for this class.
B: But I want to listen piano.
C: Why?
B: Because piano is called the King of music instruments.
A: OK, __________ (就像我说的), we have different hobbies of music because of our different ages. Now do you get this point?
B和C: Yes!
A: Great! Now let us listen to some beautiful music.