The Question and Answer section for Robert Browning: Poems is a great resource to ask questions, find answers, and discuss the novel.
What poem are you referring to?
From the text:
19 With shrieking and squeaking
20 In fifty different sharps and flats.
107 You heard as if an army muttered;
108 And the muttering grew to a grumbling;
109 And the grumbling grew to a mighty rumbling;
110 And out of the houses the...
The speaker really has an internal voice going on here: it's like he is just noticing the landscape around him thinking, "oh a yellow moon". The second stanza tells us this guy is on a mission. There is a sense of direction and focus to his...