What does fitzgerald convey through the use of an asyndeton?

Asyndeton is defined as a figure of speech that leaves out conjunctions in the sentence or phrase.  It is done in literature and poetry to either present the words in their concise form or maintain rhythm and cadence.

Fitzgerald used it in The Great Gatsby. It is evident in this text:

"That was the inexhaustible charm that rose and fell in it, the jingle of it, the cymbals' song of it."

The details that best show evidence of tribal traditions are, "never in the history of his people had a man married a woman who spoke a different tongue” and "it has never been heard," was the verdict of an old man speaking a few weeks later.