A.
Samuel Longhorne Clemens, known by his pen name Mark Twain, fits this description.

Lily “smell every perfume bottle they had” (p. 6) because she remembers the scent of her mother, and she wants to find it. 8. Lily picks scabs and feels that she is “impersonating a girl” because the other girls whisper about her.
In General "blissfully" means happines and joy so take that and use look where it is being shown in the passage Unfortunatly, without options or text refrences I can only give you the breif meaning.
Answer:
Impromptu
Explanation:
An impromptu seems to be a complimentary musical with music with both the characteristic of a former virtuosity, typically for a valve trombone, such as a guitar, as if inspired by the nature of the situation.