Answer:
"Now there came a little 'flutey' bit--very pretty!--a little chain of bright drops. She was sure it would be repeated. It was; she lifted her head and smiled."
It allows the reader to see the action from the perspective of Miss Brill and to see her objectively.
It provides an opportunity for the main character to indulge in imagination.
Miss Brill views social interaction as a stage play.
Adhere to all signs
Pedestrians have the right away
Respect traffic laws and the people who make them
