The overall tone of “the debt” is

The poem is saying that it is a warning about the long term effects of indulging in stuff that you cannot handle, even the shortest time has its payback. In other words, the writer is discussing how he regrets the past, and until the end of time, he'll pay for what he did. This poem discusses crime and punishment, living, and disappointment and failure.

Explanation:

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the sentence that avoid faulty coordination is:

culture, which is well represented in philadelphia, plays a major role including theatre, music, and the visual arts.  

faulty coordination occurs when the writer gives equal importance two different ideas (clauses) which in fact are not equivalent. in order to correct a misplaced clause or idea, the writer can place less important or emphatic ideas in a relative clause as in the previous sentence.  

in what passage i'm sorry but i don't see anything there.