Answer: Clark receives a letter that his aunt is coming to visit in Boston. She wants to see him and wants to stay with him if at all possible. He says, "of course". She has always been a part of his life to teach him about life and music. His personality is exhuberant at getting to share this awesome experience with her, even though she gave it up long ago. She still loves the world of music. She has taught him the love of music and believes that it is still in her heart even after she moved away. They are joyous to be together and experiencing all of this again, together.
Explanation:
It's a term for lung disease caused by silica dust.
B. The overall mood created in a story
