up till 9, they talked about their past, and from 10 to 16 it explains why life without meaning is like toeture.
Explanation:
the only exception would be 9, which talks about what they now know. But asides from that, the rest seems to be talking the past, so B seems like the best choice. (i could be wrong though)
Compound there are two sentences connected by a semicolon, you can tell because they each have their own subject (the musician, she) and their own verb (preform, had).