If you couldn't find Information about an author's background, in an attempt to learn If he or she has a blas, what is another reasonable source that you could consult?
1. the author's work history
2. another work by the author
3. the author's neighbors
4. the author's date of birth

and your question what topic are you in trouble with?

"the tune the he might never know again." this part build anticipation. dexter got extremely happy by the piano tune. he could see what he was living at that moment in his life throught this feeling. the reader might want to learn more about his happy life. in fact, he called it a state of   'ecstasy'. the fact that he had got in a mood of intense appreciation and that everything about him was extremely bright and glamorous might lead the reader to feel that this state of happiness may not last long. the two parts from the excerpt that exemplify the anticipation are: " the sound of the "; " it was a know again."