Based on the context and the answer, generate a question. 

Context: The pay is decent and it could be a chance to make new contacts because the place of teaching is at an engineering company . Also , when I got home , Miyoko , a girl I used to go out with , had left a present in my mailbox . She left a new CD / DVD of a favorite Japanese singer of mine . CDs and DVDs are quite expensive here in Japan and this one was like $ 40 .

Answer:

They are rare items .



Why would the narrator be so excited to receive CDs and DVDs ?