Well, it's an adventure story, and a Bildungsroman, of course, but there was also the intention to describe a culture that had been seen in rather narrow terms. ↗
If we put our trust in the common sense of common men and 'with malice toward none and charity for all' go forward on the great adventure of making political, economic and social democracy a practical reality, we shall not fail. ↗
Even if you're specific about the character of the song, it's more exciting to place them, juxtapose them in such a way as to make an adventure out of the sequence of the songs. ↗