As regards the third stanza, it might be said that the mood might be sad or loneliness and kind of violent. Words such as "moan", "lonesome", "cry" might give the impression of solitude and deep sadness. On the other hand, words lie "bang-bang", "fight" "scratch" might reveal some violence that could be connected to the feelings previously mentioned.
the fourth stanza seems to change the mood, where the Mississippi river and the that lights , the starts and the hills might give a sensation of a nice voyage, contemplation of nature. words such as "soft" "green" appeared to portray a nice scenario.