This speaks of the sound of the leaves rustling as wind blows through them as if it were the sound of marching. AT: "When the wind blowing through the tops of the balsam trees sounds like men marching" (See: [[rc://en/ta/man/translate/figs-metaphor]])
People in every land hearing of David's reputation is spoken of as if David's fame traveled to those lands. AT: "People far away heard about David's fame" (See: [[rc://en/ta/man/translate/figs-personification]])