Class One. All the people from the city join the people in the field because by going out into the field, when the King returns to the city they go not only into the city but into the palace itself.
Class Two. The desert and the people there are certainly also allowed to come into the palace with the King (even more than the city and field people) because of their תשובה. The way they get there (considering that they don’t meet him in the field) is through ובקשתם משם the power to connect so deeply comes from the עבירה and it’s transformation.